import { Provider } from "@smithy/types";
import { EnvOptions, GetterFromEnv } from "./fromEnv";
import { GetterFromConfig, SharedConfigInit } from "./fromSharedConfigFiles";
import { FromStaticConfig } from "./fromStatic";
/**
 * @internal
 */
export type LocalConfigOptions = SharedConfigInit & EnvOptions;
/**
 * @internal
 */
export interface LoadedConfigSelectors<T> {
    /**
     * A getter function getting the config values from all the environment
     * variables.
     */
    environmentVariableSelector: GetterFromEnv<T>;
    /**
     * A getter function getting config values associated with the inferred
     * profile from shared INI files
     */
    configFileSelector: GetterFromConfig<T>;
    /**
     * Default value or getter
     */
    default: FromStaticConfig<T>;
}
/**
 * @internal
 */
export declare const loadConfig: <T = string>({ environmentVariableSelector, configFileSelector, default: defaultValue }: LoadedConfigSelectors<T>, configuration?: LocalConfigOptions) => Provider<T>;