src/vs/editor/browser/widget/codeEditorWidget.ts/CodeEditorWidget/getDecorationsInRange
class CodeEditorWidget:	public getDecorationsInRange(range: Range): IModelDecoration[] | null {
		if (!this._modelData) {
			return null;
		}
		return this._modelData.model.getDecorationsInRange(range, this._id, filterValidationDecorations(this._configuration.options));
	}