code: function checkFunction(node) {
              if (node.params.length > numParams) {
                  context.report({
                      loc: astUtils.getFunctionHeadLoc(node, sourceCode),
                      node,
                      messageId: "exceed",
                      data: {
                          name: lodash.upperFirst(astUtils.getFunctionNameWithKind(node)),
                          count: node.params.length,
                          max: numParams
                      }
                  });
              }
          }
docs: Checks a function to see if it has too many parameters.
  @param {ASTNode} node The node to check.
  @returns {void}
  @private