code: function report(node, existing, substitute) {
              context.report({
                  node,
                  message: "Avoid using {{existing}}, instead use {{substitute}}.",
                  data: {
                      existing,
                      substitute
                  }
              });
          }
docs: Reports the Reflect violation based on the `existing` and `substitute`
  @param {Object} node The node that violates the rule.
  @param {string} existing The existing method name that has been used.
  @param {string} substitute The Reflect substitute that should be used.
  @returns {void}