src/vs/editor/common/model/textModel.ts/DidChangeDecorationsEmitter/endDeferredEmit
class DidChangeDecorationsEmitter:	public endDeferredEmit(): void {
		this._deferredCnt--;
		if (this._deferredCnt === 0) {
			if (this._shouldFireDeferred) {
				this.doFire();
			}

			this._affectedInjectedTextLines?.clear();
			this._affectedInjectedTextLines = null;
		}
	}