import { InjectionScope, LogLevel, LogCallOptions, LogStream, NowFn } from '@dandi/core/types';
import { LoggerBase } from './logger-base';
export declare class QueueingLogger extends LoggerBase {
    private context;
    private now;
    private readonly entries;
    constructor(context: InjectionScope, now: NowFn);
    flush(stream: LogStream): void;
    protected log(level: LogLevel, options: LogCallOptions, ...args: any[]): void;
}
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