code: function processMaybeBlock (node, baseToken) {
      const firstToken = getFirstAndLastTokens(node).firstToken
      setOffset(firstToken, isLeftBrace(firstToken) ? 0 : 1, baseToken)
    }
docs: Process the given node as body.
  The body node maybe a block statement or an expression node.
  @param {Node} node The body node to process.
  @param {Token} baseToken The base token.
  @returns {void}