import { CreateEffectOptions, EffectCleanupRegisterFn, EffectRef } from '@angular/core';
export declare function effectOnceIf<T = any>(condition: () => T, execution: (valueFromCondition: NonNullable<T>, onCleanup: EffectCleanupRegisterFn) => void, options?: Omit<CreateEffectOptions, 'manualCleanup'>): EffectRef;
export type EffectOnceIfConditionFn<T> = Parameters<typeof effectOnceIf<T>>[0];
export type EffectOnceIfExecutionFn<T> = Parameters<typeof effectOnceIf<T>>[1];
export type EffectOnceIfOptions<T> = Parameters<typeof effectOnceIf<T>>[2];