type Level = 'error' | 'warn' | 'info' | 'debug' | 'trace';
export declare function setLogLevel(l: Level | undefined): void;
export declare function redact(value: unknown): unknown;
export declare function createLogger(channel: string): {
    error: (m: string, d?: unknown) => void;
    warn: (m: string, d?: unknown) => void;
    info: (m: string, d?: unknown) => void;
    debug: (m: string, d?: unknown) => void;
    trace: (m: string, d?: unknown) => void;
};
export declare function flushForTest(): Promise<void>;
export {};