alamb opened a new issue, #6143:
URL: https://github.com/apache/arrow-rs/issues/6143

   **Describe the bug**
   While publishing `52.2.0` I noticed this warning: #5998 
   
   I have also seen it locally
   
   
   ```
   warning: methods `as_any` and `next_batch` are never used
     --> src/arrow/array_reader/mod.rs:64:8
      |
   63 | pub trait ArrayReader: Send {
      |           ----------- methods in this trait
   64 |     fn as_any(&self) -> &dyn Any;
      |        ^^^^^^
   ...
   70 |     fn next_batch(&mut self, batch_size: usize) -> Result<ArrayRef> {
      |        ^^^^^^^^^^
      |
      = note: `#[warn(dead_code)]` on by default
   
   warning: `parquet` (lib) generated 1 warning
   ```
   
   **To Reproduce**
   ```
   cargo test --test arrow_reader
   ```
   
   **Expected behavior**
   No warnings
   
   **Additional context**
   <!--
   Add any other context about the problem here.
   -->


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