import { Logger } from './log';
import { Meta } from './meta';
import { Tracer } from './trace';
export interface InstrumentationOptions {
    key?: string;
    serviceName?: string;
    logger?: Logger;
    tracer?: Tracer;
    noop?: boolean;
    __meta?: Meta;
}
export declare class Instrumentation {
    private readonly meta;
    readonly T: Tracer;
    readonly L: Logger;
    constructor({ key, serviceName, logger, tracer, noop, __meta, }: InstrumentationOptions);
    child(key: string): Instrumentation;
    static readonly NOOP: Instrumentation;
}
export declare const NOOP: Instrumentation;
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