import { type Attributes, type Context, type DiagLogger, type Link, SpanKind } from "@opentelemetry/api";
import { type Sampler, type SamplingResult } from "@opentelemetry/sdk-trace-base";
import { oboe } from "@solarwinds-apm/bindings";
import { type SwConfiguration } from "./config";
export declare class SwSampler implements Sampler {
    private readonly config;
    private readonly logger;
    private readonly oboeDecisionFunction;
    private readonly recordMetricsFunction;
    constructor(config: SwConfiguration, logger: DiagLogger, serverlessApi: oboe.OboeAPI | undefined);
    shouldSample(parentContext: Context, _traceId: string, spanName: string, spanKind: SpanKind, attributes: Attributes, _links: Link[]): SamplingResult;
    toString(): string;
    private oboeDecisions;
    private tracingMode;
    private static otelSamplingDecisionFromOboe;
    private static traceState;
    private static updateTraceState;
    private static traceOptionsResponse;
    private static attributes;
}
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