/**
 * @module
 * This module exports a class to create a minimal version of
 * AzureConfigurationClient which can be used by this library.
 */
import { type ConfigurationSetting, type FeatureFlagServiceWithKeyOptions, type FeatureFlagServiceOptions } from "./utils/app-config.js";
export type { ConfigurationSetting, FeatureFlagServiceOptions, FeatureFlagServiceWithKeyOptions, } from "./utils/app-config.js";
/**
 * A lightweight alternative to Azure's AppConfigurationClient to generate
 * a client for working with Feature Flags.
 *
 * > [Note] This `lite` alternative should NOT be used outside the scope of this library.
 *
 * @example
 * ```ts
 * import { AppConfigurationClientLite } from "azure-feature-flags/client";
 * const connectionString = process.env.AZURE_CONFIG_ACCESS_STRING;
 * const client = new AppConfigurationClientLite(connectionString);
 * //    ^ use this client anywhere in this library's services.
 * ```
 */
export declare class AppConfigurationClientLite {
    #private;
    constructor(connectionString: string);
    list(options?: FeatureFlagServiceOptions): Promise<Array<ConfigurationSetting>>;
    get({ keyFilter, ...options }: FeatureFlagServiceWithKeyOptions): Promise<ConfigurationSetting | null>;
    delete({ keyFilter, ...options }: FeatureFlagServiceWithKeyOptions): Promise<ConfigurationSetting | null>;
    set(setting: ConfigurationSetting, options?: FeatureFlagServiceOptions): Promise<ConfigurationSetting | null>;
}