import { LoadingState } from '../loading/reducer';
import { FeaturesState } from './reducer';
import { ApplicationFeatures, ApplicationName, StateWithFeatures, Variant } from './types';
export declare const getState: (state: StateWithFeatures) => FeaturesState;
export declare const getData: (state: StateWithFeatures) => Record<ApplicationName, ApplicationFeatures>;
export declare const getLoading: (state: StateWithFeatures) => LoadingState;
export declare const getError: (state: StateWithFeatures) => string | null;
/**
 * Helper to get whether a feature flag is enabled or disabled.
 * It will first look into your env file for the feature flag, if it is not defined there,
 * it will look it in the requested and stored features data.
 * The env key will be determined from the application and the flag. For example, if the
 * application is "explorer" and the flag is "some-crazy-feature", it will look
 * for it as REACT_APP_FF_EXPLORER_SOME_CRAZY_FEATURE.
 *
 * @param state Redux state of the application.
 * @param app Appplication name.
 * @param feature Feature key without the application name prefix. For example for the "builder-feature".
 * You need to provide only "feature"
 *
 * @returns Whether the feature is enabled or not.
 */
export declare const getIsFeatureEnabled: (state: StateWithFeatures, app: ApplicationName, feature: string) => boolean;
export declare const isLoadingFeatureFlags: (state: StateWithFeatures) => boolean;
export declare const getFeatureVariant: (state: StateWithFeatures, app: ApplicationName, feature: string) => Variant | null;
export declare const hasLoadedInitialFlags: (state: StateWithFeatures) => boolean;
/**
 * Helper to check if credits are enabled for a given address.
 * It will first check if the marketplace credits are enabled, if not, it will return false.
 * Then it will check if the user wallets variant is defined, if not, it will return true.
 * Then it will check if the address is in the user wallets variant, if not, it will return false.
 */
export declare const isCreditsFeatureEnabled: (state: StateWithFeatures, address: string) => boolean;
export declare const getIsLauncherLinksFeatureEnabled: (state: StateWithFeatures) => boolean;
export declare const getLauncherLinksVariant: (state: StateWithFeatures) => any;