type LogLevel = "debug" | "info" | "warn" | "error";
interface LogContext {
    requestId?: string;
    [key: string]: unknown;
}
declare class Logger {
    private readonly channel;
    constructor(channel?: string);
    private write;
    debug(message: string, context?: LogContext): void;
    info(message: string, context?: LogContext): void;
    warn(message: string, context?: LogContext): void;
    error(message: string, context?: LogContext): void;
}
declare const appLogger: Logger;
export type { LogContext, LogLevel };
export { appLogger, Logger };