contains(node) {
		return (
			node.range[0] >= this.startNode.range[0] &&
			node.range[1] <= this.endNode.range[1]
		);
	}
Checks whether the given node is inside of this range.
@param {ASTNode|Token} node The node to check.
@returns {boolean} `true` if the node is inside of this range.