import { Observable } from 'rxjs';
import { EventWithModifiers } from '@bespunky/angular-cdk/reactive-input/shared';
import { KeyboardModifierFactors } from '../../core/keyboard-modifier-factors';
export declare type EventWithModifierFactors<TEvent extends EventWithModifiers> = [TEvent, KeyboardModifierFactors];
export declare type AcceleratedEvent<TEvent extends EventWithModifiers> = [number, TEvent];
export declare function accelerateWithKeyboard<T extends EventWithModifiers>(getAmount: (event: T) => number, modifierFactors: Observable<KeyboardModifierFactors>): import("rxjs").UnaryFunction<Observable<T>, Observable<AcceleratedEvent<T>>>;