import { ISplitState, IStatus } from './types';
export declare const getStateSlice: (sliceName: string) => (state: any) => any;
export declare const defaultGetSplitState: (state: any) => any;
/**
 * This function extracts a treatment evaluation from the Split state. It returns the treatment string value.
 * If a treatment is not found, it returns the default value, which is `'control'` if not specified.
 * A treatment is not found if an invalid Split state is passed or if a `getTreatments` action has not been dispatched for the provided feature flag name and key.
 *
 * @param splitState - The Split piece of state.
 * @param featureFlagName - The feature flag name.
 * @param key - The user key.
 * @param defaultValue - The default value to return if the treatment is not found.
 */
export declare function selectTreatmentValue(splitState: ISplitState, featureFlagName: string, key?: SplitIO.SplitKey, defaultValue?: string): string;
/**
 * This function extracts a treatment evaluation from the Split state. It returns a treatment object containing its value and configuration.
 * If a treatment is not found, it returns the default value, which is `{ treatment: 'control', configuration: null }` if not specified.
 * A treatment is not found if an invalid Split state is passed or if a `getTreatments` action has not been dispatched for the provided feature flag name and key.
 *
 * @param splitState - The Split piece of state.
 * @param featureFlagName - The feature flag name.
 * @param key - The user key.
 * @param defaultValue - The default value to return if the treatment is not found.
 */
export declare function selectTreatmentWithConfig(splitState: ISplitState, featureFlagName: string, key?: SplitIO.SplitKey, defaultValue?: SplitIO.TreatmentWithConfig): SplitIO.TreatmentWithConfig;
/**
 * This function extracts a treatment evaluation from the Split state. It returns an object that contains the treatment string value and the status properties of the client: `isReady`, `isReadyFromCache`, `hasTimedout`, and `isDestroyed`.
 * If a treatment is not found, it returns the default value, which is `'control'` if not specified.
 * A treatment is not found if an invalid Split state is passed or if a `getTreatments` action has not been dispatched for the provided feature flag name and key.
 *
 * @param splitState - The Split piece of state.
 * @param featureFlagName - The feature flag name.
 * @param key - The user key.
 * @param defaultValue - The default value to return if the treatment is not found.
 */
export declare function selectTreatmentAndStatus(splitState: ISplitState, featureFlagName: string, key?: SplitIO.SplitKey, defaultValue?: string): {
    treatment: string;
} & IStatus;
/**
 * This function extracts a treatment evaluation from the Split state. It returns an object that contains the treatment object and the status properties of the client: `isReady`, `isReadyFromCache`, `hasTimedout`, and `isDestroyed`.
 * If a treatment is not found, it returns the default value as treatment, which is `{ treatment: 'control', configuration: null }` if not specified.
 * A treatment is not found if an invalid Split state is passed or if a `getTreatments` action has not been dispatched for the provided feature flag name and key.
 *
 * @param splitState - The Split piece of state.
 * @param featureFlagName - The feature flag name.
 * @param key - The user key.
 * @param defaultValue - The default value to return if the treatment is not found.
 */
export declare function selectTreatmentWithConfigAndStatus(splitState: ISplitState, featureFlagName: string, key?: SplitIO.SplitKey, defaultValue?: SplitIO.TreatmentWithConfig): {
    treatment: SplitIO.TreatmentWithConfig;
} & IStatus;
/**
 * Extracts an object with the status properties of the SDK client or manager from the Split state.
 *
 * @param splitState - The Split piece of state.
 * @param key - To use only on client-side. Ignored in server-side. If a key is provided and a client associated to that key has been used, the status of that client is returned.
 * If no key is provided, the status of the main client and manager is returned (the main client shares the status with the manager).
 *
 * @returns The status of the SDK client or manager.
 *
 * @see {@link https://developer.harness.io/docs/feature-management-experimentation/sdks-and-infrastructure/client-side-sdks/redux-sdk/#subscribe-to-events}
 */
export declare function selectStatus(splitState: ISplitState, key?: SplitIO.SplitKey): IStatus;