src/vs/editor/common/model/textModel.ts/TextModel/removeAllDecorationsWithOwnerId
class TextModel:	public removeAllDecorationsWithOwnerId(ownerId: number): void {
		if (this._isDisposed) {
			return;
		}
		const nodes = this._decorationsTree.collectNodesFromOwner(ownerId);
		for (let i = 0, len = nodes.length; i < len; i++) {
			const node = nodes[i];

			this._decorationsTree.delete(node);
			delete this._decorations[node.id];
		}
	}