code: public Output compileFile(URI inputPath, URI outputPath, Options options)
        throws CompilationException {
      FileContext context = new FileContext(inputPath, outputPath, options);
      return compile(context);
    }
docs: Compile file.
  
  @param inputPath  The input path.
  @param outputPath The output path.
  @param options    The compile options.
  @return The compilation output.
  @throws CompilationException If the compilation failed.