import type { BooleanEnvVar, StringEnvVar } from './EnvReader';
export declare enum SamplerType {
    AlwaysOn = "always_on",
    AlwaysOff = "always_off",
    TraceIdRatio = "traceidratio",
    ParentBasedAlwaysOn = "parentbased_always_on",
    ParentBasedAlwaysOff = "parentbased_always_off",
    ParentBasedTraceIdRatio = "parentbased_traceidratio"
}
export declare const ENV_DEFS: {
    readonly OTEL_SDK_DISABLED: BooleanEnvVar;
    readonly OTEL_TRACES_SAMPLER: StringEnvVar;
    readonly OTEL_TRACES_SAMPLER_ARG: StringEnvVar;
};
//# sourceMappingURL=EnvDefinition.d.ts.map