import { AnyMapper } from '../types-internal';
import { AnyIterable } from 'augmentative-iterable';
import { GroupIngredients } from './ingredients';
export declare function singleItem<T>(_k: any, t: T): T[];
export declare function groupRecipe(ingredients: GroupIngredients): <T>(this: AnyIterable<T>, baseMapper: AnyMapper<T>, baseTransformValue?: AnyMapper<T>) => any;