code: private Config loadNodeFileWithOverrides(Path filePath) throws IOException {
      Config nodeConfig = this.pullFileLoader.loadPullFile(filePath, emptyConfig, false);
      return getNodeConfigWithOverrides(nodeConfig, filePath);
    }
docs: Load the node file.
  @param filePath path of the node file relative to the repository root
  @return the configuration object
  @throws IOException