import { ActivatedRouteSnapshot, CanActivateFn, RouterStateSnapshot } from "@angular/router";
/**
 * Resolves a feature flag route guard to a boolean result.
 *
 * @param flagKey - The key of the feature flag to check
 * @param route - The activated route snapshot passed to the guard
 * @param state - The router state snapshot passed to the guard
 * @returns A boolean that is true only when the feature flag guard allows access
 *
 */
export declare const resolveFeatureFlagGuard: (flagKey: string, route: ActivatedRouteSnapshot, state: RouterStateSnapshot) => Promise<boolean>;
/**
 * Creates a route guard that checks if a specific feature flag is enabled before allowing access.
 *
 * @param flagKey - The key of the feature flag to check
 * @returns A CanActivateFn that returns true if the feature flag is enabled, false otherwise
 *
 */
export declare function featureFlagGuard(flagKey: string): CanActivateFn;
/**
 * Creates a route guard that redirects when a specific feature flag is not enabled.
 *
 * @param flagKey - The key of the feature flag to check
 * @param redirectPath - The path to redirect to when the feature flag is not enabled
 * @returns A CanActivateFn that returns true if the feature flag is enabled, otherwise a UrlTree
 *
 */
export declare function featureFlagRedirectGuard(flagKey: string, redirectPath?: string): CanActivateFn;