export declare class JaegerApiError extends Error {
    readonly status: number | null;
    constructor(message: string, status?: number | null);
}
/**
 * Report whether a name is a syntactically valid Jaeger trace id.
 *
 * Checked before calling the API so a malformed id becomes ENOENT instead of
 * the API's 400 "invalid length for TraceID".
 */
export declare function isTraceId(value: string): boolean;
export interface JaegerTransport {
    request(path: string, query?: Record<string, string | number | undefined>): Promise<unknown>;
}
export interface HttpJaegerTransportOptions {
    host?: string;
    timeout?: number;
}
export declare class HttpJaegerTransport implements JaegerTransport {
    protected readonly fetch: typeof fetch;
    private readonly host;
    private readonly timeoutSeconds;
    constructor(opts?: HttpJaegerTransportOptions);
    request(path: string, query?: Record<string, string | number | undefined>): Promise<unknown>;
}
export declare function fetchServices(transport: JaegerTransport): Promise<string[]>;
/**
 * List operations recorded for a service.
 *
 * An unknown service yields an empty list rather than an error, so callers
 * that need existence semantics must check the service list first.
 */
export declare function fetchOperations(transport: JaegerTransport, service: string): Promise<Record<string, unknown>[]>;
export interface FetchTracesOptions {
    limit?: number;
    fromTimestamp?: string;
    toTimestamp?: string;
}
/**
 * Search traces for a service within an explicit time window.
 *
 * `service` is required by the API and `lookback` is ignored, so the window is
 * always sent as explicit microsecond bounds.
 */
export declare function fetchTraces(transport: JaegerTransport, service: string, opts?: FetchTracesOptions): Promise<Record<string, unknown>[]>;
export declare function fetchTrace(transport: JaegerTransport, traceId: string): Promise<Record<string, unknown>>;
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