function isUnusedExpression(node) {
			const parent = node.parent;

			if (parent.type === "ExpressionStatement") {
				return true;
			}

			if (parent.type === "SequenceExpression") {
				const isLastExpression = parent.expressions.at(-1) === node;

				if (!isLastExpression) {
					return true;
				}
				return isUnusedExpression(parent);
			}

			return false;
		}
Checks whether a given node is unused expression or not.
@param {ASTNode} node The node itself
@returns {boolean} The node is an unused expression.
@private