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;
		}
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.