import { type Dedalus } from '../../client';
import { RequestOptions } from '../request-options';
type LogFn = (message: string, ...rest: unknown[]) => void;
export type Logger = {
    error: LogFn;
    warn: LogFn;
    info: LogFn;
    debug: LogFn;
};
export type LogLevel = 'off' | 'error' | 'warn' | 'info' | 'debug';
export declare const parseLogLevel: (maybeLevel: string | undefined, sourceName: string, client: Dedalus) => LogLevel | undefined;
export declare function loggerFor(client: Dedalus): Logger;
/**
 * Replaces the value of every credential-bearing query parameter in a URL about to be logged.
 *
 * Rewritten on the query substring rather than through `new URL`, so a relative URL is handled the
 * same way an absolute one is and no parse can throw on the logging path.
 */
export declare const redactUrl: (url: string) => string;
/** Replaces the value of every credential-bearing header, for a `Headers` or a plain record alike. */
export declare const redactHeaders: (headers: Headers | Record<string, string>) => Record<string, string>;
export declare const formatRequestDetails: (details: {
    options?: RequestOptions | undefined;
    headers?: Headers | Record<string, string> | undefined;
    retryOfRequestLogID?: string | undefined;
    retryOf?: string | undefined;
    url?: string | undefined;
    status?: number | undefined;
    method?: string | undefined;
    durationMs?: number | undefined;
    message?: unknown;
    body?: unknown;
}) => {
    options?: RequestOptions | undefined;
    headers?: Headers | Record<string, string> | undefined;
    retryOfRequestLogID?: string | undefined;
    retryOf?: string | undefined;
    url?: string | undefined;
    status?: number | undefined;
    method?: string | undefined;
    durationMs?: number | undefined;
    message?: unknown;
    body?: unknown;
};
export {};
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