code: function report(node) {
              const parent = node.parent;
              const locationNode = node.type === "MemberExpression"
                  ? node.property
                  : node;
  
              const reportNode = parent.type === "CallExpression" && parent.callee === node
                  ? parent
                  : node;
  
              context.report({
                  node: reportNode,
                  loc: locationNode.loc.start,
                  messageId: "unexpected"
              });
          }
docs: Reports a given node.
  
  `node` is `Identifier` or `MemberExpression`.
  The parent of `node` might be `CallExpression`.
  
  The location of the report is always `eval` `Identifier` (or possibly
  `Literal`). The type of the report is `CallExpression` if the parent is
  `CallExpression`. Otherwise, it's the given node type.
  
  @param {ASTNode} node - A node to report.
  @returns {void}