import { AllowedVariableType } from '@ninetailed/experience.js-shared';
export type FlagResult<T> = {
    status: 'loading';
    value: T;
    error: null;
} | {
    status: 'success';
    value: T;
    error: null;
} | {
    status: 'error';
    value: T;
    error: Error;
};
export type FlagResultWithTracking<T> = [FlagResult<T>, () => void];
/**
 * Hook to access a Ninetailed variable flag with manual tracking control.
 */
export declare function useFlagWithManualTracking<T extends AllowedVariableType>(flagKey: string, defaultValue: T): FlagResultWithTracking<T>;