import * as commander from "commander";
/**
 * Config parameters.
 */
export interface Config {
    username: string;
    postingWif: string;
    steemApi: string;
    defaultSyncStartBlockNum: number;
    defaultRulesPath: string;
    syncedBlockNumFile: string;
    disableSend: boolean;
    [x: string]: any;
}
export interface ConfigLoadedFromFile extends Config {
    configFilePath: string;
}
/**
 * Config priority:
 * 1. Env variables (see envMappings)
 * 2. Files: (see StaticConfig.DEFAULT_CONFIG_FILE_PATHS)
 * 2.1. ./config/json
 * 2.2. ./config.yml
 * 2.3. ~/.wise/config.json
 * 2.4. ~/.wise/config.yml
 * 3. Default config (see ConfigLoader.defaultConfig())
 */
export declare class ConfigLoader {
    static loadConfig(command: commander.Command): Promise<ConfigLoadedFromFile>;
    static askForCredentialsIfEmpty(config: Config, username?: boolean, postingKey?: boolean): Promise<Config>;
    private static loadFromFilesBasedOnPriority;
    private static loadEnv;
    private static validateConfig;
}