grafana/public/app/features/variables/shared/testing/textboxVariableBuilder.ts

import { TextBoxVariableModel } from 'app/features/variables/types';
import { OptionsVariableBuilder } from './optionsVariableBuilder';

export class TextBoxVariableBuilder<T extends TextBoxVariableModel> extends OptionsVariableBuilder<T> {
  withOriginalQuery(original: string) {
    this.variable.originalQuery = original;
    return this;
  }
}