code: function equalTokens(left, right, sourceCode) {
      const tokensL = sourceCode.getTokens(left);
      const tokensR = sourceCode.getTokens(right);
  
      if (tokensL.length !== tokensR.length) {
          return false;
      }
      for (let i = 0; i < tokensL.length; ++i) {
          if (tokensL[i].type !== tokensR[i].type ||
              tokensL[i].value !== tokensR[i].value
          ) {
              return false;
          }
      }
  
      return true;
  }
docs: Checks whether or not the tokens of two given nodes are same.
  @param {ASTNode} left - A node 1 to compare.
  @param {ASTNode} right - A node 2 to compare.
  @param {SourceCode} sourceCode - The ESLint source code object.
  @returns {boolean} the source code for the given node.