code: function isValidIdentifierPair(ctorParam, superArg) {
      return (
          ctorParam.type === "Identifier" &&
          superArg.type === "Identifier" &&
          ctorParam.name === superArg.name
      );
  }
docs: Checks whether given 2 nodes are identifiers which have the same name or not.
  
  @param {ASTNode} ctorParam - A node to check.
  @param {ASTNode} superArg - A node to check.
  @returns {boolean} `true` if the nodes are identifiers which have the same
  name.