function getTopConcatBinaryExpression(node) {
	let currentNode = node;

	while (isConcatenation(currentNode.parent)) {
		currentNode = currentNode.parent;
	}
	return currentNode;
}
Gets the top binary expression node for concatenation in parents of a given node.
@param {ASTNode} node A node to get.
@returns {ASTNode} the top binary expression node in parents of a given node.