interface HiveConfig {
    username: string | undefined;
    postingKey: string | undefined;
    activeKey: string | undefined;
    memoKey: string | undefined;
    ownerKey?: string | undefined;
}
interface LogConfig {
    logLevel: 'debug' | 'info' | 'warn' | 'error';
}
interface ServerConfig {
    name: string;
    version: string;
}
interface AppConfig {
    hive: HiveConfig;
    server: ServerConfig;
    log: LogConfig;
}
declare const defaultConfig: AppConfig;
export declare const validatePrivateKey: (key: string | undefined) => boolean;
export declare const getConfig: () => AppConfig;
export declare const refreshEnvConfig: () => void;
export declare const canPerformAuthenticatedOperations: () => boolean;
export declare const canPerformTokenTransfers: () => boolean;
export default defaultConfig;