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, 
/**
 * Optional factory that produced `candidate` from `original`.
 * When present, child loggers re-invoke the factory against the child core
 * so wrapper methods close over the child (preserving bindings) instead of
 * the parent logger. Without this, partial wrappers that capture `original`
 * in setLogger() would drop child bindings on every child.info() call.
 */
wrapperFactory?: (original: VextRuntimeLogger) => VextLoggerLike): VextRuntimeLogger;
export declare function createLogger(config?: VextLoggerConfig, options?: CreateLoggerOptions): VextRuntimeLogger;