http://git-wip-us.apache.org/repos/asf/incubator-htrace/blob/a6ca3ccf/htrace-kudu/src/main/java/org/apache/htrace/protobuf/generated/SpanProtos.java
----------------------------------------------------------------------
diff --git 
a/htrace-kudu/src/main/java/org/apache/htrace/protobuf/generated/SpanProtos.java
 
b/htrace-kudu/src/main/java/org/apache/htrace/protobuf/generated/SpanProtos.java
deleted file mode 100644
index 98b8adb..0000000
--- 
a/htrace-kudu/src/main/java/org/apache/htrace/protobuf/generated/SpanProtos.java
+++ /dev/null
@@ -1,2241 +0,0 @@
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: Span.proto
-
-package org.apache.htrace.protobuf.generated;
-
-public final class SpanProtos {
-  private SpanProtos() {}
-  public static void registerAllExtensions(
-      com.google.protobuf.ExtensionRegistry registry) {
-  }
-  public interface TimelineAnnotationOrBuilder
-      extends com.google.protobuf.MessageOrBuilder {
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-    /**
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-     */
-    boolean hasTime();
-    /**
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-     */
-    long getTime();
-
-    // required string message = 2;
-    /**
-     * <code>required string message = 2;</code>
-     */
-    boolean hasMessage();
-    /**
-     * <code>required string message = 2;</code>
-     */
-    java.lang.String getMessage();
-    /**
-     * <code>required string message = 2;</code>
-     */
-    com.google.protobuf.ByteString
-        getMessageBytes();
-  }
-  /**
-   * Protobuf type {@code TimelineAnnotation}
-   */
-  public static final class TimelineAnnotation extends
-      com.google.protobuf.GeneratedMessage
-      implements TimelineAnnotationOrBuilder {
-    // Use TimelineAnnotation.newBuilder() to construct.
-    private TimelineAnnotation(com.google.protobuf.GeneratedMessage.Builder<?> 
builder) {
-      super(builder);
-      this.unknownFields = builder.getUnknownFields();
-    }
-    private TimelineAnnotation(boolean noInit) { this.unknownFields = 
com.google.protobuf.UnknownFieldSet.getDefaultInstance(); }
-
-    private static final TimelineAnnotation defaultInstance;
-    public static TimelineAnnotation getDefaultInstance() {
-      return defaultInstance;
-    }
-
-    public TimelineAnnotation getDefaultInstanceForType() {
-      return defaultInstance;
-    }
-
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-    @java.lang.Override
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-        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws com.google.protobuf.InvalidProtocolBufferException {
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-      com.google.protobuf.UnknownFieldSet.Builder unknownFields =
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-              break;
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-            case 18: {
-              bitField0_ |= 0x00000002;
-              message_ = input.readBytes();
-              break;
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-      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-        throw e.setUnfinishedMessage(this);
-      } catch (java.io.IOException e) {
-        throw new com.google.protobuf.InvalidProtocolBufferException(
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-      } finally {
-        this.unknownFields = unknownFields.build();
-        makeExtensionsImmutable();
-      }
-    }
-    public static final com.google.protobuf.Descriptors.Descriptor
-        getDescriptor() {
-      return 
org.apache.htrace.protobuf.generated.SpanProtos.internal_static_TimelineAnnotation_descriptor;
-    }
-
-    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
-        internalGetFieldAccessorTable() {
-      return 
org.apache.htrace.protobuf.generated.SpanProtos.internal_static_TimelineAnnotation_fieldAccessorTable
-          .ensureFieldAccessorsInitialized(
-              
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation.class, 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation.Builder.class);
-    }
-
-    public static com.google.protobuf.Parser<TimelineAnnotation> PARSER =
-        new com.google.protobuf.AbstractParser<TimelineAnnotation>() {
-      public TimelineAnnotation parsePartialFrom(
-          com.google.protobuf.CodedInputStream input,
-          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-          throws com.google.protobuf.InvalidProtocolBufferException {
-        return new TimelineAnnotation(input, extensionRegistry);
-      }
-    };
-
-    @java.lang.Override
-    public com.google.protobuf.Parser<TimelineAnnotation> getParserForType() {
-      return PARSER;
-    }
-
-    private int bitField0_;
-    // required int64 time = 1;
-    public static final int TIME_FIELD_NUMBER = 1;
-    private long time_;
-    /**
-     * <code>required int64 time = 1;</code>
-     */
-    public boolean hasTime() {
-      return ((bitField0_ & 0x00000001) == 0x00000001);
-    }
-    /**
-     * <code>required int64 time = 1;</code>
-     */
-    public long getTime() {
-      return time_;
-    }
-
-    // required string message = 2;
-    public static final int MESSAGE_FIELD_NUMBER = 2;
-    private java.lang.Object message_;
-    /**
-     * <code>required string message = 2;</code>
-     */
-    public boolean hasMessage() {
-      return ((bitField0_ & 0x00000002) == 0x00000002);
-    }
-    /**
-     * <code>required string message = 2;</code>
-     */
-    public java.lang.String getMessage() {
-      java.lang.Object ref = message_;
-      if (ref instanceof java.lang.String) {
-        return (java.lang.String) ref;
-      } else {
-        com.google.protobuf.ByteString bs = 
-            (com.google.protobuf.ByteString) ref;
-        java.lang.String s = bs.toStringUtf8();
-        if (bs.isValidUtf8()) {
-          message_ = s;
-        }
-        return s;
-      }
-    }
-    /**
-     * <code>required string message = 2;</code>
-     */
-    public com.google.protobuf.ByteString
-        getMessageBytes() {
-      java.lang.Object ref = message_;
-      if (ref instanceof java.lang.String) {
-        com.google.protobuf.ByteString b = 
-            com.google.protobuf.ByteString.copyFromUtf8(
-                (java.lang.String) ref);
-        message_ = b;
-        return b;
-      } else {
-        return (com.google.protobuf.ByteString) ref;
-      }
-    }
-
-    private void initFields() {
-      time_ = 0L;
-      message_ = "";
-    }
-    private byte memoizedIsInitialized = -1;
-    public final boolean isInitialized() {
-      byte isInitialized = memoizedIsInitialized;
-      if (isInitialized != -1) return isInitialized == 1;
-
-      if (!hasTime()) {
-        memoizedIsInitialized = 0;
-        return false;
-      }
-      if (!hasMessage()) {
-        memoizedIsInitialized = 0;
-        return false;
-      }
-      memoizedIsInitialized = 1;
-      return true;
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-
-    public void writeTo(com.google.protobuf.CodedOutputStream output)
-                        throws java.io.IOException {
-      getSerializedSize();
-      if (((bitField0_ & 0x00000001) == 0x00000001)) {
-        output.writeInt64(1, time_);
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-      if (((bitField0_ & 0x00000002) == 0x00000002)) {
-        output.writeBytes(2, getMessageBytes());
-      }
-      getUnknownFields().writeTo(output);
-    }
-
-    private int memoizedSerializedSize = -1;
-    public int getSerializedSize() {
-      int size = memoizedSerializedSize;
-      if (size != -1) return size;
-
-      size = 0;
-      if (((bitField0_ & 0x00000001) == 0x00000001)) {
-        size += com.google.protobuf.CodedOutputStream
-          .computeInt64Size(1, time_);
-      }
-      if (((bitField0_ & 0x00000002) == 0x00000002)) {
-        size += com.google.protobuf.CodedOutputStream
-          .computeBytesSize(2, getMessageBytes());
-      }
-      size += getUnknownFields().getSerializedSize();
-      memoizedSerializedSize = size;
-      return size;
-    }
-
-    private static final long serialVersionUID = 0L;
-    @java.lang.Override
-    protected java.lang.Object writeReplace()
-        throws java.io.ObjectStreamException {
-      return super.writeReplace();
-    }
-
-    @java.lang.Override
-    public boolean equals(final java.lang.Object obj) {
-      if (obj == this) {
-       return true;
-      }
-      if (!(obj instanceof 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation)) {
-        return super.equals(obj);
-      }
-      org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation other 
= (org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation) obj;
-
-      boolean result = true;
-      result = result && (hasTime() == other.hasTime());
-      if (hasTime()) {
-        result = result && (getTime()
-            == other.getTime());
-      }
-      result = result && (hasMessage() == other.hasMessage());
-      if (hasMessage()) {
-        result = result && getMessage()
-            .equals(other.getMessage());
-      }
-      result = result &&
-          getUnknownFields().equals(other.getUnknownFields());
-      return result;
-    }
-
-    private int memoizedHashCode = 0;
-    @java.lang.Override
-    public int hashCode() {
-      if (memoizedHashCode != 0) {
-        return memoizedHashCode;
-      }
-      int hash = 41;
-      hash = (19 * hash) + getDescriptorForType().hashCode();
-      if (hasTime()) {
-        hash = (37 * hash) + TIME_FIELD_NUMBER;
-        hash = (53 * hash) + hashLong(getTime());
-      }
-      if (hasMessage()) {
-        hash = (37 * hash) + MESSAGE_FIELD_NUMBER;
-        hash = (53 * hash) + getMessage().hashCode();
-      }
-      hash = (29 * hash) + getUnknownFields().hashCode();
-      memoizedHashCode = hash;
-      return hash;
-    }
-
-    public static 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation parseFrom(
-        com.google.protobuf.ByteString data)
-        throws com.google.protobuf.InvalidProtocolBufferException {
-      return PARSER.parseFrom(data);
-    }
-    public static 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation parseFrom(
-        com.google.protobuf.ByteString data,
-        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws com.google.protobuf.InvalidProtocolBufferException {
-      return PARSER.parseFrom(data, extensionRegistry);
-    }
-    public static 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation 
parseFrom(byte[] data)
-        throws com.google.protobuf.InvalidProtocolBufferException {
-      return PARSER.parseFrom(data);
-    }
-    public static 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation parseFrom(
-        byte[] data,
-        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws com.google.protobuf.InvalidProtocolBufferException {
-      return PARSER.parseFrom(data, extensionRegistry);
-    }
-    public static 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation 
parseFrom(java.io.InputStream input)
-        throws java.io.IOException {
-      return PARSER.parseFrom(input);
-    }
-    public static 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation parseFrom(
-        java.io.InputStream input,
-        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws java.io.IOException {
-      return PARSER.parseFrom(input, extensionRegistry);
-    }
-    public static 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation 
parseDelimitedFrom(java.io.InputStream input)
-        throws java.io.IOException {
-      return PARSER.parseDelimitedFrom(input);
-    }
-    public static 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation 
parseDelimitedFrom(
-        java.io.InputStream input,
-        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws java.io.IOException {
-      return PARSER.parseDelimitedFrom(input, extensionRegistry);
-    }
-    public static 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation parseFrom(
-        com.google.protobuf.CodedInputStream input)
-        throws java.io.IOException {
-      return PARSER.parseFrom(input);
-    }
-    public static 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation parseFrom(
-        com.google.protobuf.CodedInputStream input,
-        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws java.io.IOException {
-      return PARSER.parseFrom(input, extensionRegistry);
-    }
-
-    public static Builder newBuilder() { return Builder.create(); }
-    public Builder newBuilderForType() { return newBuilder(); }
-    public static Builder 
newBuilder(org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation 
prototype) {
-      return newBuilder().mergeFrom(prototype);
-    }
-    public Builder toBuilder() { return newBuilder(this); }
-
-    @java.lang.Override
-    protected Builder newBuilderForType(
-        com.google.protobuf.GeneratedMessage.BuilderParent parent) {
-      Builder builder = new Builder(parent);
-      return builder;
-    }
-    /**
-     * Protobuf type {@code TimelineAnnotation}
-     */
-    public static final class Builder extends
-        com.google.protobuf.GeneratedMessage.Builder<Builder>
-       implements 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotationOrBuilder {
-      public static final com.google.protobuf.Descriptors.Descriptor
-          getDescriptor() {
-        return 
org.apache.htrace.protobuf.generated.SpanProtos.internal_static_TimelineAnnotation_descriptor;
-      }
-
-      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
-          internalGetFieldAccessorTable() {
-        return 
org.apache.htrace.protobuf.generated.SpanProtos.internal_static_TimelineAnnotation_fieldAccessorTable
-            .ensureFieldAccessorsInitialized(
-                
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation.class, 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation.Builder.class);
-      }
-
-      // Construct using 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation.newBuilder()
-      private Builder() {
-        maybeForceBuilderInitialization();
-      }
-
-      private Builder(
-          com.google.protobuf.GeneratedMessage.BuilderParent parent) {
-        super(parent);
-        maybeForceBuilderInitialization();
-      }
-      private void maybeForceBuilderInitialization() {
-        if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
-        }
-      }
-      private static Builder create() {
-        return new Builder();
-      }
-
-      public Builder clear() {
-        super.clear();
-        time_ = 0L;
-        bitField0_ = (bitField0_ & ~0x00000001);
-        message_ = "";
-        bitField0_ = (bitField0_ & ~0x00000002);
-        return this;
-      }
-
-      public Builder clone() {
-        return create().mergeFrom(buildPartial());
-      }
-
-      public com.google.protobuf.Descriptors.Descriptor
-          getDescriptorForType() {
-        return 
org.apache.htrace.protobuf.generated.SpanProtos.internal_static_TimelineAnnotation_descriptor;
-      }
-
-      public 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation 
getDefaultInstanceForType() {
-        return 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation.getDefaultInstance();
-      }
-
-      public 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation build() {
-        org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation 
result = buildPartial();
-        if (!result.isInitialized()) {
-          throw newUninitializedMessageException(result);
-        }
-        return result;
-      }
-
-      public 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation 
buildPartial() {
-        org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation 
result = new 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation(this);
-        int from_bitField0_ = bitField0_;
-        int to_bitField0_ = 0;
-        if (((from_bitField0_ & 0x00000001) == 0x00000001)) {
-          to_bitField0_ |= 0x00000001;
-        }
-        result.time_ = time_;
-        if (((from_bitField0_ & 0x00000002) == 0x00000002)) {
-          to_bitField0_ |= 0x00000002;
-        }
-        result.message_ = message_;
-        result.bitField0_ = to_bitField0_;
-        onBuilt();
-        return result;
-      }
-
-      public Builder mergeFrom(com.google.protobuf.Message other) {
-        if (other instanceof 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation) {
-          return 
mergeFrom((org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation)other);
-        } else {
-          super.mergeFrom(other);
-          return this;
-        }
-      }
-
-      public Builder 
mergeFrom(org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation 
other) {
-        if (other == 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation.getDefaultInstance())
 return this;
-        if (other.hasTime()) {
-          setTime(other.getTime());
-        }
-        if (other.hasMessage()) {
-          bitField0_ |= 0x00000002;
-          message_ = other.message_;
-          onChanged();
-        }
-        this.mergeUnknownFields(other.getUnknownFields());
-        return this;
-      }
-
-      public final boolean isInitialized() {
-        if (!hasTime()) {
-          
-          return false;
-        }
-        if (!hasMessage()) {
-          
-          return false;
-        }
-        return true;
-      }
-
-      public Builder mergeFrom(
-          com.google.protobuf.CodedInputStream input,
-          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-          throws java.io.IOException {
-        org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation 
parsedMessage = null;
-        try {
-          parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
-        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-          parsedMessage = 
(org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation) 
e.getUnfinishedMessage();
-          throw e;
-        } finally {
-          if (parsedMessage != null) {
-            mergeFrom(parsedMessage);
-          }
-        }
-        return this;
-      }
-      private int bitField0_;
-
-      // required int64 time = 1;
-      private long time_ ;
-      /**
-       * <code>required int64 time = 1;</code>
-       */
-      public boolean hasTime() {
-        return ((bitField0_ & 0x00000001) == 0x00000001);
-      }
-      /**
-       * <code>required int64 time = 1;</code>
-       */
-      public long getTime() {
-        return time_;
-      }
-      /**
-       * <code>required int64 time = 1;</code>
-       */
-      public Builder setTime(long value) {
-        bitField0_ |= 0x00000001;
-        time_ = value;
-        onChanged();
-        return this;
-      }
-      /**
-       * <code>required int64 time = 1;</code>
-       */
-      public Builder clearTime() {
-        bitField0_ = (bitField0_ & ~0x00000001);
-        time_ = 0L;
-        onChanged();
-        return this;
-      }
-
-      // required string message = 2;
-      private java.lang.Object message_ = "";
-      /**
-       * <code>required string message = 2;</code>
-       */
-      public boolean hasMessage() {
-        return ((bitField0_ & 0x00000002) == 0x00000002);
-      }
-      /**
-       * <code>required string message = 2;</code>
-       */
-      public java.lang.String getMessage() {
-        java.lang.Object ref = message_;
-        if (!(ref instanceof java.lang.String)) {
-          java.lang.String s = ((com.google.protobuf.ByteString) ref)
-              .toStringUtf8();
-          message_ = s;
-          return s;
-        } else {
-          return (java.lang.String) ref;
-        }
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-      /**
-       * <code>required string message = 2;</code>
-       */
-      public com.google.protobuf.ByteString
-          getMessageBytes() {
-        java.lang.Object ref = message_;
-        if (ref instanceof String) {
-          com.google.protobuf.ByteString b = 
-              com.google.protobuf.ByteString.copyFromUtf8(
-                  (java.lang.String) ref);
-          message_ = b;
-          return b;
-        } else {
-          return (com.google.protobuf.ByteString) ref;
-        }
-      }
-      /**
-       * <code>required string message = 2;</code>
-       */
-      public Builder setMessage(
-          java.lang.String value) {
-        if (value == null) {
-    throw new NullPointerException();
-  }
-  bitField0_ |= 0x00000002;
-        message_ = value;
-        onChanged();
-        return this;
-      }
-      /**
-       * <code>required string message = 2;</code>
-       */
-      public Builder clearMessage() {
-        bitField0_ = (bitField0_ & ~0x00000002);
-        message_ = getDefaultInstance().getMessage();
-        onChanged();
-        return this;
-      }
-      /**
-       * <code>required string message = 2;</code>
-       */
-      public Builder setMessageBytes(
-          com.google.protobuf.ByteString value) {
-        if (value == null) {
-    throw new NullPointerException();
-  }
-  bitField0_ |= 0x00000002;
-        message_ = value;
-        onChanged();
-        return this;
-      }
-
-      // @@protoc_insertion_point(builder_scope:TimelineAnnotation)
-    }
-
-    static {
-      defaultInstance = new TimelineAnnotation(true);
-      defaultInstance.initFields();
-    }
-
-    // @@protoc_insertion_point(class_scope:TimelineAnnotation)
-  }
-
-  public interface SpanOrBuilder
-      extends com.google.protobuf.MessageOrBuilder {
-
-    // required int64 trace_id = 1;
-    /**
-     * <code>required int64 trace_id = 1;</code>
-     */
-    boolean hasTraceId();
-    /**
-     * <code>required int64 trace_id = 1;</code>
-     */
-    long getTraceId();
-
-    // required int64 parent_id = 2;
-    /**
-     * <code>required int64 parent_id = 2;</code>
-     */
-    boolean hasParentId();
-    /**
-     * <code>required int64 parent_id = 2;</code>
-     */
-    long getParentId();
-
-    // required int64 start = 3;
-    /**
-     * <code>required int64 start = 3;</code>
-     */
-    boolean hasStart();
-    /**
-     * <code>required int64 start = 3;</code>
-     */
-    long getStart();
-
-    // required int64 stop = 4;
-    /**
-     * <code>required int64 stop = 4;</code>
-     */
-    boolean hasStop();
-    /**
-     * <code>required int64 stop = 4;</code>
-     */
-    long getStop();
-
-    // required int64 span_id = 5;
-    /**
-     * <code>required int64 span_id = 5;</code>
-     */
-    boolean hasSpanId();
-    /**
-     * <code>required int64 span_id = 5;</code>
-     */
-    long getSpanId();
-
-    // required string process_id = 6;
-    /**
-     * <code>required string process_id = 6;</code>
-     */
-    boolean hasProcessId();
-    /**
-     * <code>required string process_id = 6;</code>
-     */
-    java.lang.String getProcessId();
-    /**
-     * <code>required string process_id = 6;</code>
-     */
-    com.google.protobuf.ByteString
-        getProcessIdBytes();
-
-    // required string description = 7;
-    /**
-     * <code>required string description = 7;</code>
-     */
-    boolean hasDescription();
-    /**
-     * <code>required string description = 7;</code>
-     */
-    java.lang.String getDescription();
-    /**
-     * <code>required string description = 7;</code>
-     */
-    com.google.protobuf.ByteString
-        getDescriptionBytes();
-
-    // repeated .TimelineAnnotation timeline = 8;
-    /**
-     * <code>repeated .TimelineAnnotation timeline = 8;</code>
-     */
-    
java.util.List<org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation>
 
-        getTimelineList();
-    /**
-     * <code>repeated .TimelineAnnotation timeline = 8;</code>
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-    org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation 
getTimeline(int index);
-    /**
-     * <code>repeated .TimelineAnnotation timeline = 8;</code>
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org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotationOrBuilder 
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-              start_ = input.readInt64();
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-              spanId_ = input.readInt64();
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-              processId_ = input.readBytes();
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timeline_.add(input.readMessage(org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation.PARSER,
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-    /**
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-    /**
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 getTimelineList() {
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-    /**
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-      return timeline_.get(index);
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-    /**
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-    public 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotationOrBuilder 
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-        return false;
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-      if (!hasStart()) {
-        memoizedIsInitialized = 0;
-        return false;
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-      if (!hasStop()) {
-        memoizedIsInitialized = 0;
-        return false;
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-      if (!hasSpanId()) {
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-        return false;
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-        return false;
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-      if (!hasDescription()) {
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-        return false;
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-      for (int i = 0; i < getTimelineCount(); i++) {
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-      for (int i = 0; i < timeline_.size(); i++) {
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-      result = result && (hasDescription() == other.hasDescription());
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parseFrom(
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parseFrom(
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parseFrom(byte[] data)
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parseFrom(
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parseFrom(java.io.InputStream input)
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parseFrom(
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parseDelimitedFrom(java.io.InputStream input)
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parseDelimitedFrom(
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parseFrom(
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parseFrom(
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-        start_ = 0L;
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-        stop_ = 0L;
-        bitField0_ = (bitField0_ & ~0x00000008);
-        spanId_ = 0L;
-        bitField0_ = (bitField0_ & ~0x00000010);
-        processId_ = "";
-        bitField0_ = (bitField0_ & ~0x00000020);
-        description_ = "";
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-          timelineBuilder_.clear();
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-      public Builder clone() {
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-      public com.google.protobuf.Descriptors.Descriptor
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org.apache.htrace.protobuf.generated.SpanProtos.internal_static_Span_descriptor;
-      }
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-      public org.apache.htrace.protobuf.generated.SpanProtos.Span 
getDefaultInstanceForType() {
-        return 
org.apache.htrace.protobuf.generated.SpanProtos.Span.getDefaultInstance();
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-      public org.apache.htrace.protobuf.generated.SpanProtos.Span build() {
-        org.apache.htrace.protobuf.generated.SpanProtos.Span result = 
buildPartial();
-        if (!result.isInitialized()) {
-          throw newUninitializedMessageException(result);
-        }
-        return result;
-      }
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-      public org.apache.htrace.protobuf.generated.SpanProtos.Span 
buildPartial() {
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org.apache.htrace.protobuf.generated.SpanProtos.Span(this);
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-          result.timeline_ = timeline_;
-        } else {
-          result.timeline_ = timelineBuilder_.build();
-        }
-        result.bitField0_ = to_bitField0_;
-        onBuilt();
-        return result;
-      }
-
-      public Builder mergeFrom(com.google.protobuf.Message other) {
-        if (other instanceof 
org.apache.htrace.protobuf.generated.SpanProtos.Span) {
-          return 
mergeFrom((org.apache.htrace.protobuf.generated.SpanProtos.Span)other);
-        } else {
-          super.mergeFrom(other);
-          return this;
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-
-      public Builder 
mergeFrom(org.apache.htrace.protobuf.generated.SpanProtos.Span other) {
-        if (other == 
org.apache.htrace.protobuf.generated.SpanProtos.Span.getDefaultInstance()) 
return this;
-        if (other.hasTraceId()) {
-          setTraceId(other.getTraceId());
-        }
-        if (other.hasParentId()) {
-          setParentId(other.getParentId());
-        }
-        if (other.hasStart()) {
-          setStart(other.getStart());
-        }
-        if (other.hasStop()) {
-          setStop(other.getStop());
-        }
-        if (other.hasSpanId()) {
-          setSpanId(other.getSpanId());
-        }
-        if (other.hasProcessId()) {
-          bitField0_ |= 0x00000020;
-          processId_ = other.processId_;
-          onChanged();
-        }
-        if (other.hasDescription()) {
-          bitField0_ |= 0x00000040;
-          description_ = other.description_;
-          onChanged();
-        }
-        if (timelineBuilder_ == null) {
-          if (!other.timeline_.isEmpty()) {
-            if (timeline_.isEmpty()) {
-              timeline_ = other.timeline_;
-              bitField0_ = (bitField0_ & ~0x00000080);
-            } else {
-              ensureTimelineIsMutable();
-              timeline_.addAll(other.timeline_);
-            }
-            onChanged();
-          }
-        } else {
-          if (!other.timeline_.isEmpty()) {
-            if (timelineBuilder_.isEmpty()) {
-              timelineBuilder_.dispose();
-              timelineBuilder_ = null;
-              timeline_ = other.timeline_;
-              bitField0_ = (bitField0_ & ~0x00000080);
-              timelineBuilder_ = 
-                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders ?
-                   getTimelineFieldBuilder() : null;
-            } else {
-              timelineBuilder_.addAllMessages(other.timeline_);
-            }
-          }
-        }
-        this.mergeUnknownFields(other.getUnknownFields());
-        return this;
-      }
-
-      public final boolean isInitialized() {
-        if (!hasTraceId()) {
-          
-          return false;
-        }
-        if (!hasParentId()) {
-          
-          return false;
-        }
-        if (!hasStart()) {
-          
-          return false;
-        }
-        if (!hasStop()) {
-          
-          return false;
-        }
-        if (!hasSpanId()) {
-          
-          return false;
-        }
-        if (!hasProcessId()) {
-          
-          return false;
-        }
-        if (!hasDescription()) {
-          
-          return false;
-        }
-        for (int i = 0; i < getTimelineCount(); i++) {
-          if (!getTimeline(i).isInitialized()) {
-            
-            return false;
-          }
-        }
-        return true;
-      }
-
-      public Builder mergeFrom(
-          com.google.protobuf.CodedInputStream input,
-          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-          throws java.io.IOException {
-        org.apache.htrace.protobuf.generated.SpanProtos.Span parsedMessage = 
null;
-        try {
-          parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
-        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-          parsedMessage = 
(org.apache.htrace.protobuf.generated.SpanProtos.Span) e.getUnfinishedMessage();
-          throw e;
-        } finally {
-          if (parsedMessage != null) {
-            mergeFrom(parsedMessage);
-          }
-        }
-        return this;
-      }
-      private int bitField0_;
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-      private long traceId_ ;
-      /**
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-       */
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-        return ((bitField0_ & 0x00000001) == 0x00000001);
-      }
-      /**
-       * <code>required int64 trace_id = 1;</code>
-       */
-      public long getTraceId() {
-        return traceId_;
-      }
-      /**
-       * <code>required int64 trace_id = 1;</code>
-       */
-      public Builder setTraceId(long value) {
-        bitField0_ |= 0x00000001;
-        traceId_ = value;
-        onChanged();
-        return this;
-      }
-      /**
-       * <code>required int64 trace_id = 1;</code>
-       */
-      public Builder clearTraceId() {
-        bitField0_ = (bitField0_ & ~0x00000001);
-        traceId_ = 0L;
-        onChanged();
-        return this;
-      }
-
-      // required int64 parent_id = 2;
-      private long parentId_ ;
-      /**
-       * <code>required int64 parent_id = 2;</code>
-       */
-      public boolean hasParentId() {
-        return ((bitField0_ & 0x00000002) == 0x00000002);
-      }
-      /**
-       * <code>required int64 parent_id = 2;</code>
-       */
-      public long getParentId() {
-        return parentId_;
-      }
-      /**
-       * <code>required int64 parent_id = 2;</code>
-       */
-      public Builder setParentId(long value) {
-        bitField0_ |= 0x00000002;
-        parentId_ = value;
-        onChanged();
-        return this;
-      }
-      /**
-       * <code>required int64 parent_id = 2;</code>
-       */
-      public Builder clearParentId() {
-        bitField0_ = (bitField0_ & ~0x00000002);
-        parentId_ = 0L;
-        onChanged();
-        return this;
-      }
-
-      // required int64 start = 3;
-      private long start_ ;
-      /**
-       * <code>required int64 start = 3;</code>
-       */
-      public boolean hasStart() {
-        return ((bitField0_ & 0x00000004) == 0x00000004);
-      }
-      /**
-       * <code>required int64 start = 3;</code>
-       */
-      public long getStart() {
-        return start_;
-      }
-      /**
-       * <code>required int64 start = 3;</code>
-       */
-      public Builder setStart(long value) {
-        bitField0_ |= 0x00000004;
-        start_ = value;
-        onChanged();
-        return this;
-      }
-      /**
-       * <code>required int64 start = 3;</code>
-       */
-      public Builder clearStart() {
-        bitField0_ = (bitField0_ & ~0x00000004);
-        start_ = 0L;
-        onChanged();
-        return this;
-      }
-
-      // required int64 stop = 4;
-      private long stop_ ;
-      /**
-       * <code>required int64 stop = 4;</code>
-       */
-      public boolean hasStop() {
-        return ((bitField0_ & 0x00000008) == 0x00000008);
-      }
-      /**
-       * <code>required int64 stop = 4;</code>
-       */
-      public long getStop() {
-        return stop_;
-      }
-      /**
-       * <code>required int64 stop = 4;</code>
-       */
-      public Builder setStop(long value) {
-        bitField0_ |= 0x00000008;
-        stop_ = value;
-        onChanged();
-        return this;
-      }
-      /**
-       * <code>required int64 stop = 4;</code>
-       */
-      public Builder clearStop() {
-        bitField0_ = (bitField0_ & ~0x00000008);
-        stop_ = 0L;
-        onChanged();
-        return this;
-      }
-
-      // required int64 span_id = 5;
-      private long spanId_ ;
-      /**
-       * <code>required int64 span_id = 5;</code>
-       */
-      public boolean hasSpanId() {
-        return ((bitField0_ & 0x00000010) == 0x00000010);
-      }
-      /**
-       * <code>required int64 span_id = 5;</code>
-       */
-      public long getSpanId() {
-        return spanId_;
-      }
-      /**
-       * <code>required int64 span_id = 5;</code>
-       */
-      public Builder setSpanId(long value) {
-        bitField0_ |= 0x00000010;
-        spanId_ = value;
-        onChanged();
-        return this;
-      }
-      /**
-       * <code>required int64 span_id = 5;</code>
-       */
-      public Builder clearSpanId() {
-        bitField0_ = (bitField0_ & ~0x00000010);
-        spanId_ = 0L;
-        onChanged();
-        return this;
-      }
-
-      // required string process_id = 6;
-      private java.lang.Object processId_ = "";
-      /**
-       * <code>required string process_id = 6;</code>
-       */
-      public boolean hasProcessId() {
-        return ((bitField0_ & 0x00000020) == 0x00000020);
-      }
-      /**
-       * <code>required string process_id = 6;</code>
-       */
-      public java.lang.String getProcessId() {
-        java.lang.Object ref = processId_;
-        if (!(ref instanceof java.lang.String)) {
-          java.lang.String s = ((com.google.protobuf.ByteString) ref)
-              .toStringUtf8();
-          processId_ = s;
-          return s;
-        } else {
-          return (java.lang.String) ref;
-        }
-      }
-      /**
-       * <code>required string process_id = 6;</code>
-       */
-      public com.google.protobuf.ByteString
-          getProcessIdBytes() {
-        java.lang.Object ref = processId_;
-        if (ref instanceof String) {
-          com.google.protobuf.ByteString b = 
-              com.google.protobuf.ByteString.copyFromUtf8(
-                  (java.lang.String) ref);
-          processId_ = b;
-          return b;
-        } else {
-          return (com.google.protobuf.ByteString) ref;
-        }
-      }
-      /**
-       * <code>required string process_id = 6;</code>
-       */
-      public Builder setProcessId(
-          java.lang.String value) {
-        if (value == null) {
-    throw new NullPointerException();
-  }
-  bitField0_ |= 0x00000020;
-        processId_ = value;
-        onChanged();
-        return this;
-      }
-      /**
-       * <code>required string process_id = 6;</code>
-       */
-      public Builder clearProcessId() {
-        bitField0_ = (bitField0_ & ~0x00000020);
-        processId_ = getDefaultInstance().getProcessId();
-        onChanged();
-        return this;
-      }
-      /**
-       * <code>required string process_id = 6;</code>
-       */
-      public Builder setProcessIdBytes(
-          com.google.protobuf.ByteString value) {
-        if (value == null) {
-    throw new NullPointerException();
-  }
-  bitField0_ |= 0x00000020;
-        processId_ = value;
-        onChanged();
-        return this;
-      }
-
-      // required string description = 7;
-      private java.lang.Object description_ = "";
-      /**
-       * <code>required string description = 7;</code>
-       */
-      public boolean hasDescription() {
-        return ((bitField0_ & 0x00000040) == 0x00000040);
-      }
-      /**
-       * <code>required string description = 7;</code>
-       */
-      public java.lang.String getDescription() {
-        java.lang.Object ref = description_;
-        if (!(ref instanceof java.lang.String)) {
-          java.lang.String s = ((com.google.protobuf.ByteString) ref)
-              .toStringUtf8();
-          description_ = s;
-          return s;
-        } else {
-          return (java.lang.String) ref;
-        }
-      }
-      /**
-       * <code>required string description = 7;</code>
-       */
-      public com.google.protobuf.ByteString
-          getDescriptionBytes() {
-        java.lang.Object ref = description_;
-        if (ref instanceof String) {
-          com.google.protobuf.ByteString b = 
-              com.google.protobuf.ByteString.copyFromUtf8(
-                  (java.lang.String) ref);
-          description_ = b;
-          return b;
-        } else {
-          return (com.google.protobuf.ByteString) ref;
-        }
-      }
-      /**
-       * <code>required string description = 7;</code>
-       */
-      public Builder setDescription(
-          java.lang.String value) {
-        if (value == null) {
-    throw new NullPointerException();
-  }
-  bitField0_ |= 0x00000040;
-        description_ = value;
-        onChanged();
-        return this;
-      }
-      /**
-       * <code>required string description = 7;</code>
-       */
-      public Builder clearDescription() {
-        bitField0_ = (bitField0_ & ~0x00000040);
-        description_ = getDefaultInstance().getDescription();
-        onChanged();
-        return this;
-      }
-      /**
-       * <code>required string description = 7;</code>
-       */
-      public Builder setDescriptionBytes(
-          com.google.protobuf.ByteString value) {
-        if (value == null) {
-    throw new NullPointerException();
-  }
-  bitField0_ |= 0x00000040;
-        description_ = value;
-        onChanged();
-        return this;
-      }
-
-      // repeated .TimelineAnnotation timeline = 8;
-      private 
java.util.List<org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation>
 timeline_ =
-        java.util.Collections.emptyList();
-      private void ensureTimelineIsMutable() {
-        if (!((bitField0_ & 0x00000080) == 0x00000080)) {
-          timeline_ = new 
java.util.ArrayList<org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation>(timeline_);
-          bitField0_ |= 0x00000080;
-         }
-      }
-
-      private com.google.protobuf.RepeatedFieldBuilder<
-          org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation, 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation.Builder, 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotationOrBuilder> 
timelineBuilder_;
-
-      /**
-       * <code>repeated .TimelineAnnotation timeline = 8;</code>
-       */
-      public 
java.util.List<org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation>
 getTimelineList() {
-        if (timelineBuilder_ == null) {
-          return java.util.Collections.unmodifiableList(timeline_);
-        } else {
-          return timelineBuilder_.getMessageList();
-        }
-      }
-      /**
-       * <code>repeated .TimelineAnnotation timeline = 8;</code>
-       */
-      public int getTimelineCount() {
-        if (timelineBuilder_ == null) {
-          return timeline_.size();
-        } else {
-          return timelineBuilder_.getCount();
-        }
-      }
-      /**
-       * <code>repeated .TimelineAnnotation timeline = 8;</code>
-       */
-      public 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation 
getTimeline(int index) {
-        if (timelineBuilder_ == null) {
-          return timeline_.get(index);
-        } else {
-          return timelineBuilder_.getMessage(index);
-        }
-      }
-      /**
-       * <code>repeated .TimelineAnnotation timeline = 8;</code>
-       */
-      public Builder setTimeline(
-          int index, 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation value) {
-        if (timelineBuilder_ == null) {
-          if (value == null) {
-            throw new NullPointerException();
-          }
-          ensureTimelineIsMutable();
-          timeline_.set(index, value);
-          onChanged();
-        } else {
-          timelineBuilder_.setMessage(index, value);
-        }
-        return this;
-      }
-      /**
-       * <code>repeated .TimelineAnnotation timeline = 8;</code>
-       */
-      public Builder setTimeline(
-          int index, 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation.Builder 
builderForValue) {
-        if (timelineBuilder_ == null) {
-          ensureTimelineIsMutable();
-          timeline_.set(index, builderForValue.build());
-          onChanged();
-        } else {
-          timelineBuilder_.setMessage(index, builderForValue.build());
-        }
-        return this;
-      }
-      /**
-       * <code>repeated .TimelineAnnotation timeline = 8;</code>
-       */
-      public Builder 
addTimeline(org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation 
value) {
-        if (timelineBuilder_ == null) {
-          if (value == null) {
-            throw new NullPointerException();
-          }
-          ensureTimelineIsMutable();
-          timeline_.add(value);
-          onChanged();
-        } else {
-          timelineBuilder_.addMessage(value);
-        }
-        return this;
-      }
-      /**
-       * <code>repeated .TimelineAnnotation timeline = 8;</code>
-       */
-      public Builder addTimeline(
-          int index, 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation value) {
-        if (timelineBuilder_ == null) {
-          if (value == null) {
-            throw new NullPointerException();
-          }
-          ensureTimelineIsMutable();
-          timeline_.add(index, value);
-          onChanged();
-        } else {
-          timelineBuilder_.addMessage(index, value);
-        }
-        return this;
-      }
-      /**
-       * <code>repeated .TimelineAnnotation timeline = 8;</code>
-       */
-      public Builder addTimeline(
-          
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation.Builder 
builderForValue) {
-        if (timelineBuilder_ == null) {
-          ensureTimelineIsMutable();
-          timeline_.add(builderForValue.build());
-          onChanged();
-        } else {
-          timelineBuilder_.addMessage(builderForValue.build());
-        }
-        return this;
-      }
-      /**
-       * <code>repeated .TimelineAnnotation timeline = 8;</code>
-       */
-      public Builder addTimeline(
-          int index, 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation.Builder 
builderForValue) {
-        if (timelineBuilder_ == null) {
-          ensureTimelineIsMutable();
-          timeline_.add(index, builderForValue.build());
-          onChanged();
-        } else {
-          timelineBuilder_.addMessage(index, builderForValue.build());
-        }
-        return this;
-      }
-      /**
-       * <code>repeated .TimelineAnnotation timeline = 8;</code>
-       */
-      public Builder addAllTimeline(
-          java.lang.Iterable<? extends 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation> values) {
-        if (timelineBuilder_ == null) {
-          ensureTimelineIsMutable();
-          super.addAll(values, timeline_);
-          onChanged();
-        } else {
-          timelineBuilder_.addAllMessages(values);
-        }
-        return this;
-      }
-      /**
-       * <code>repeated .TimelineAnnotation timeline = 8;</code>
-       */
-      public Builder clearTimeline() {
-        if (timelineBuilder_ == null) {
-          timeline_ = java.util.Collections.emptyList();
-          bitField0_ = (bitField0_ & ~0x00000080);
-          onChanged();
-        } else {
-          timelineBuilder_.clear();
-        }
-        return this;
-      }
-      /**
-       * <code>repeated .TimelineAnnotation timeline = 8;</code>
-       */
-      public Builder removeTimeline(int index) {
-        if (timelineBuilder_ == null) {
-          ensureTimelineIsMutable();
-          timeline_.remove(index);
-          onChanged();
-        } else {
-          timelineBuilder_.remove(index);
-        }
-        return this;
-      }
-      /**
-       * <code>repeated .TimelineAnnotation timeline = 8;</code>
-       */
-      public 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation.Builder 
getTimelineBuilder(
-          int index) {
-        return getTimelineFieldBuilder().getBuilder(index);
-      }
-      /**
-       * <code>repeated .TimelineAnnotation timeline = 8;</code>
-       */
-      public 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotationOrBuilder 
getTimelineOrBuilder(
-          int index) {
-        if (timelineBuilder_ == null) {
-          return timeline_.get(index);  } else {
-          return timelineBuilder_.getMessageOrBuilder(index);
-        }
-      }
-      /**
-       * <code>repeated .TimelineAnnotation timeline = 8;</code>
-       */
-      public java.util.List<? extends 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotationOrBuilder> 
-           getTimelineOrBuilderList() {
-        if (timelineBuilder_ != null) {
-          return timelineBuilder_.getMessageOrBuilderList();
-        } else {
-          return java.util.Collections.unmodifiableList(timeline_);
-        }
-      }
-      /**
-       * <code>repeated .TimelineAnnotation timeline = 8;</code>
-       */
-      public 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation.Builder 
addTimelineBuilder() {
-        return getTimelineFieldBuilder().addBuilder(
-            
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation.getDefaultInstance());
-      }
-      /**
-       * <code>repeated .TimelineAnnotation timeline = 8;</code>
-       */
-      public 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation.Builder 
addTimelineBuilder(
-          int index) {
-        return getTimelineFieldBuilder().addBuilder(
-            index, 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation.getDefaultInstance());
-      }
-      /**
-       * <code>repeated .TimelineAnnotation timeline = 8;</code>
-       */
-      public 
java.util.List<org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation.Builder>
 
-           getTimelineBuilderList() {
-        return getTimelineFieldBuilder().getBuilderList();
-      }
-      private com.google.protobuf.RepeatedFieldBuilder<
-          org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation, 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation.Builder, 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotationOrBuilder> 
-          getTimelineFieldBuilder() {
-        if (timelineBuilder_ == null) {
-          timelineBuilder_ = new com.google.protobuf.RepeatedFieldBuilder<
-              
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation, 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotation.Builder, 
org.apache.htrace.protobuf.generated.SpanProtos.TimelineAnnotationOrBuilder>(
-                  timeline_,
-                  ((bitField0_ & 0x00000080) == 0x00000080),
-                  getParentForChildren(),
-                  isClean());
-          timeline_ = null;
-        }
-        return timelineBuilder_;
-      }
-
-      // @@protoc_insertion_point(builder_scope:Span)
-    }
-
-    static {
-      defaultInstance = new Span(true);
-      defaultInstance.initFields();
-    }
-
-    // @@protoc_insertion_point(class_scope:Span)
-  }
-
-  private static com.google.protobuf.Descriptors.Descriptor
-    internal_static_TimelineAnnotation_descriptor;
-  private static
-    com.google.protobuf.GeneratedMessage.FieldAccessorTable
-      internal_static_TimelineAnnotation_fieldAccessorTable;
-  private static com.google.protobuf.Descriptors.Descriptor
-    internal_static_Span_descriptor;
-  private static
-    com.google.protobuf.GeneratedMessage.FieldAccessorTable
-      internal_static_Span_fieldAccessorTable;
-
-  public static com.google.protobuf.Descriptors.FileDescriptor
-      getDescriptor() {
-    return descriptor;
-  }
-  private static com.google.protobuf.Descriptors.FileDescriptor
-      descriptor;
-  static {
-    java.lang.String[] descriptorData = {
-      "\n\nSpan.proto\"3\n\022TimelineAnnotation\022\014\n\004ti" +
-      "me\030\001 \002(\003\022\017\n\007message\030\002 
\002(\t\"\251\001\n\004Span\022\020\n\010tr" +
-      "ace_id\030\001 \002(\003\022\021\n\tparent_id\030\002 
\002(\003\022\r\n\005start" +
-      "\030\003 \002(\003\022\014\n\004stop\030\004 
\002(\003\022\017\n\007span_id\030\005 \002(\003\022\022\n" +
-      "\nprocess_id\030\006 \002(\t\022\023\n\013description\030\007 
\002(\t\022%" +
-      "\n\010timeline\030\010 \003(\0132\023.TimelineAnnotationB0\n" +
-      "\035org.htrace.protobuf.generatedB\nSpanProt" +
-      "osH\001\240\001\001"
-    };
-    com.google.protobuf.Descriptors.FileDescriptor.InternalDescriptorAssigner 
assigner =
-      new 
com.google.protobuf.Descriptors.FileDescriptor.InternalDescriptorAssigner() {
-        public com.google.protobuf.ExtensionRegistry assignDescriptors(
-            com.google.protobuf.Descriptors.FileDescriptor root) {
-          descriptor = root;
-          internal_static_TimelineAnnotation_descriptor =
-            getDescriptor().getMessageTypes().get(0);
-          internal_static_TimelineAnnotation_fieldAccessorTable = new
-            com.google.protobuf.GeneratedMessage.FieldAccessorTable(
-              internal_static_TimelineAnnotation_descriptor,
-              new java.lang.String[] { "Time", "Message", });
-          internal_static_Span_descriptor =
-            getDescriptor().getMessageTypes().get(1);
-          internal_static_Span_fieldAccessorTable = new
-            com.google.protobuf.GeneratedMessage.FieldAccessorTable(
-              internal_static_Span_descriptor,
-              new java.lang.String[] { "TraceId", "ParentId", "Start", "Stop", 
"SpanId", "ProcessId", "Description", "Timeline", });
-          return null;
-        }
-      };
-    com.google.protobuf.Descriptors.FileDescriptor
-      .internalBuildGeneratedFileFrom(descriptorData,
-        new com.google.protobuf.Descriptors.FileDescriptor[] {
-        }, assigner);
-  }
-
-  // @@protoc_insertion_point(outer_class_scope)
-}

http://git-wip-us.apache.org/repos/asf/incubator-htrace/blob/a6ca3ccf/htrace-kudu/src/main/protobuf/Span.proto
----------------------------------------------------------------------
diff --git a/htrace-kudu/src/main/protobuf/Span.proto 
b/htrace-kudu/src/main/protobuf/Span.proto
deleted file mode 100644
index e8dc369..0000000
--- a/htrace-kudu/src/main/protobuf/Span.proto
+++ /dev/null
@@ -1,38 +0,0 @@
-/**
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-option java_package = "org.apache.htrace.protobuf.generated";
-option java_outer_classname = "SpanProtos";
-option java_generate_equals_and_hash = true;
-option optimize_for = SPEED;
-
-message TimelineAnnotation {
-  required int64 time = 1;
-  required string message = 2;
-}
-
-message Span {
-  required int64 trace_id = 1;
-  required int64 parent_id = 2;
-  required int64 start = 3;
-  required int64 stop = 4;
-  required int64 span_id = 5;
-  required string process_id = 6;
-  required string description = 7;
-  repeated TimelineAnnotation timeline = 8;
-}

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