src/vs/editor/contrib/find/browser/findDecorations.ts/FindDecorations/_allDecorations
class FindDecorations:	private _allDecorations(): string[] {
		let result: string[] = [];
		result = result.concat(this._decorations);
		result = result.concat(this._overviewRulerApproximateDecorations);
		if (this._findScopeDecorationIds.length) {
			result.push(...this._findScopeDecorationIds);
		}
		if (this._rangeHighlightDecorationId) {
			result.push(this._rangeHighlightDecorationId);
		}
		return result;
	}