/**
 * @module
 * This module contains functions to query and mutate
 * Azure App Configuration for feature flags.
 */
import type { FeatureFlagServiceOptions, AppConfigurationClient } from "./utils/app-config.js";
import type { FeatureFlag, FeatureFlagsRecord } from "./types.js";
import { AppConfigurationClientLite } from "./client.js";
export type { FeatureFlag, FeatureFlagsRecord } from "./types.js";
export type { FeatureFlagServiceOptions } from "./utils/app-config.js";
/**
 * Fetch all feature flags related settings from Azure App Configuration
 * and parse them to a record/object.
 *
 * @example
 * ```ts
 * const featureFlags = await getFeatureFlagsRecord(client);
 * ```
 */
export declare function getFeatureFlagsRecord(client: AppConfigurationClientLite | AppConfigurationClient, options?: FeatureFlagServiceOptions): Promise<FeatureFlagsRecord>;
/**
 * Fetch all feature flags related settings from Azure App Configuration
 * and parse them to a list/array.
 *
 * @example
 * ```ts
 * const featureFlags = await getFeatureFlagsList(client);
 * ```
 */
export declare function getFeatureFlagsList(client: AppConfigurationClientLite | AppConfigurationClient, options?: FeatureFlagServiceOptions): Promise<FeatureFlag[]>;
/**
 * Fetch single feature flag related setting from Azure App Configuration
 * by its key/id and parse it.
 *
 * @example
 * ```ts
 * const featureFlagKey = "your-feature-flag-key";
 * const featureFlag = await getFeatureFlagByKey(client, featureFlagKey);
 * ```
 */
export declare function getFeatureFlagByKey(client: AppConfigurationClientLite | AppConfigurationClient, key: string, options?: FeatureFlagServiceOptions): Promise<FeatureFlag | null>;
/**
 * Add new or update existing feature flags related settings
 * to Azure App Configuration.
 *
 * @example
 * ```ts
 * const featureFlag: FeatureFlag = {
 *   id: "your-feature-flag-id",
 *   enabled: true,
 *   conditions: { client_filters: [] },
 * };
 * const success: boolean = await setFeatureFlag(client, featureFlag);
 * ```
 */
export declare function setFeatureFlag(client: AppConfigurationClientLite | AppConfigurationClient, featureFlag: FeatureFlag, options?: FeatureFlagServiceOptions): Promise<boolean>;
/**
 * Delete existing feature flags related settings
 * from Azure App Configuration.
 *  * @example
 * ```ts
 * const featureFlagKey = "your-feature-flag-key";
 * const success: boolean = await deleteFeatureFlag(client, featureFlagKey);
 * ```
 */
export declare function deleteFeatureFlag(client: AppConfigurationClientLite | AppConfigurationClient, key: string, label?: string): Promise<boolean>;