src/vs/editor/common/model/textModel.ts/TextModel/getDecorationsInRange
class TextModel:	public getDecorationsInRange(range: IRange, ownerId: number = 0, filterOutValidation: boolean = false): model.IModelDecoration[] {
		const validatedRange = this.validateRange(range);

		const decorations = this._getDecorationsInRange(validatedRange, ownerId, filterOutValidation);
		pushMany(decorations, this._decorationProvider.getDecorationsInRange(validatedRange, ownerId, filterOutValidation));
		return decorations;
	}