Moving implementation details about lazy evaluation and equality checking to `@implSpec`.
------------- Commit messages: - Initial commit Changes: https://git.openjdk.java.net/jfx/pull/292/files Webrev: https://webrevs.openjdk.java.net/jfx/292/00 Issue: https://bugs.openjdk.java.net/browse/JDK-8252546 Stats: 12 lines in 1 file changed: 6 ins; 3 del; 3 mod Patch: https://git.openjdk.java.net/jfx/pull/292.diff Fetch: git fetch https://git.openjdk.java.net/jfx pull/292/head:pull/292 PR: https://git.openjdk.java.net/jfx/pull/292
