code: function reportInferrableType(node, typeNode, initNode) {
              if (!typeNode || !initNode || !typeNode.typeAnnotation) {
                  return;
              }
  
              if (!isInferrable(typeNode, initNode)) {
                  return;
              }
  
              const typeMap = {
                  TSBooleanKeyword: "boolean",
                  TSNumberKeyword: "number",
                  TSStringKeyword: "string",
              };
  
              const type = typeMap[typeNode.typeAnnotation.type];
  
              context.report({
                  node,
                  message:
                      "Type {{type}} trivially inferred from a {{type}} literal, remove type annotation.",
                  data: {
                      type,
                  },
                  fix: fixer => fixer.remove(typeNode),
              });
          }
docs: Reports an inferrable type declaration, if any
  @param {ASTNode} node the node being visited
  @param {ASTNode} typeNode the type annotation node
  @param {ASTNode} initNode the initializer node
  @returns {void}