import type { LoggerLifecycle, LogSink } from "./logger/types.js";
import type { VextLogger, VextLoggerConfig, VextLoggerLike, VextRuntimeLogger } from "../types/app.js";
export interface CreateLoggerOptions {
    requestContextEnabled?: boolean;
    sink?: LogSink;
}
export declare function getLoggerLifecycle(logger: VextLogger): LoggerLifecycle | undefined;
export declare function normalizeVextLogger(original: VextRuntimeLogger, candidate: VextLoggerLike | null | undefined): VextRuntimeLogger;
export declare function createLogger(config?: VextLoggerConfig, options?: CreateLoggerOptions): VextRuntimeLogger;