code: function isMultiline(node) {
              const lastItem = getLastItem(node);
  
              if (!lastItem) {
                  return false;
              }
  
              const penultimateToken = getTrailingToken(node, lastItem);
              const lastToken = sourceCode.getTokenAfter(penultimateToken);
  
              return lastToken.loc.end.line !== penultimateToken.loc.end.line;
          }
docs: Checks whether or not a given node is multiline.
  This rule handles a given node as multiline when the closing parenthesis
  and the last element are not on the same line.
  
  @param {ASTNode} node - A node to check.
  @returns {boolean} `true` if the node is multiline.