code: @GwtIncompatible("Unnecessary")
    private List<SourceFile> createInputs(
        List<FlagEntry<JsSourceType>> files, boolean allowStdIn, List<JsModuleSpec> jsModuleSpecs)
        throws IOException {
      return createInputs(files, /* jsonFiles= */ null, allowStdIn, jsModuleSpecs);
    }
docs: Creates inputs from a list of files.
  
  @param files A list of flag entries indicates js and zip file names.
  @param allowStdIn Whether '-' is allowed appear as a filename to represent stdin. If true, '-'
  is only allowed to appear once.
  @param jsModuleSpecs A list js module specs.
  @return An array of inputs