Created by: davido
Activate error prone on Buck by adding these lines to .buckconfig:
[tools]
javac_jar = third-party/error_prone_ant-2.0.15.jar
compiler_class_name = com.google.errorprone.ErrorProneJavaCompiler
[java]
extra_arguments = "-Xep:OptionalEquality:OFF"
Put error_prone_ant-2.0.15.jar
to third-party
directory, run buck build buck
and fix the problem flagged by error prone.