import { Source } from '../source/Source';
/**
 * Used to store the configuration sources and determine
 * the order they are consulted in.
 */
export declare class Store {
    private readonly logger;
    private readonly sources;
    constructor();
    /**
     * Internal function for referencing the internal list of
     * configuration sources. Do not reference this, its not guarenteed
     * across versions.
     */
    get _list(): Source[];
    /**
     * Tells the configuration store to use environment variables.
     */
    environment(): this;
    /**
     * Tells the configuration store to use environment variables.
     */
    lambdaKMSStore(lambdaARN: string, kmsARN: string, secrets: string, ...keys: string[]): this;
    /**
     * Registers a secrets manager store as a location to lookup secrets in.
     *
     * @param storeName in AWS to lookup.
     * @param region to look for the secrets in, defaults to us-east-1
     */
    secretManager(storeName: string, region?: string): Store;
    /**
     * Static configuration values to feed into the configuration.
     *
     * @param values to store as configuration values.
     */
    defaults(values: {
        [key: string]: any;
    }): Store;
    /**
     * A custom implementation to register as a source of configuration values.
     *
     * @param customSource to resovle configuration values using.
     */
    custom(customSource: Source): Store;
}