import { Attributes, Context, Link, SpanKind } from '@opentelemetry/api';
import { Sampler, SamplingResult } from '@opentelemetry/sdk-trace-base';
export declare class RateLimitingSampler implements Sampler {
    private quota;
    private reservoir;
    constructor(quota: number);
    shouldSample(context: Context, traceId: string, spanName: string, spanKind: SpanKind, attributes: Attributes, links: Link[]): SamplingResult;
    toString(): string;
}
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