code: function processTopLevelNode (node, expectedIndent) {
      const token = tokenStore.getFirstToken(node)
      const offsetInfo = offsets.get(token)
      if (offsetInfo != null) {
        offsetInfo.expectedIndent = expectedIndent
      } else {
        offsets.set(token, { baseToken: null, offset: 0, baseline: false, expectedIndent })
      }
    }
docs: Set the base indentation to a given top-level AST node.
  @param {Node} node The node to set.
  @param {number} expectedIndent The number of expected indent.
  @returns {void}