import { InjectionToken } from '@angular/core';
import { TuiControlValueTransformer, TuiDay, TuiDayRange, TuiTime } from '@taiga-ui/cdk';
/**
 * Control value transformer of TuiDay to custom value format for InputDate* components
 */
export declare const TUI_DATE_VALUE_TRANSFORMER: InjectionToken<TuiControlValueTransformer<TuiDay | null, unknown>>;
/**
 * Control value transformer for InputDateRange component
 */
export declare const TUI_DATE_RANGE_VALUE_TRANSFORMER: InjectionToken<TuiControlValueTransformer<TuiDayRange | null, unknown>>;
/**
 * Control value transformer for InputDateTime component
 */
export declare const TUI_DATE_TIME_VALUE_TRANSFORMER: InjectionToken<TuiControlValueTransformer<[TuiDay | null, TuiTime | null], unknown>>;