@ApiStatus.Internal
  public SourceToOutputMappingImpl createSourceToOutputMapForStaleTarget(BuildTargetType<?> targetType, String targetId) throws IOException {
    return new SourceToOutputMappingImpl(new File(getSourceToOutputMapRoot(targetType, targetId), SRC_TO_OUTPUT_FILE_NAME), myRelativizer);
  }
@ApiStatus.Internal
  public SourceToOutputMappingImpl createSourceToOutputMapForStaleTarget(BuildTargetType<?> targetType, String targetId)