import type { Spanwise } from "../client.js";
import type { Instrumentation } from "./types.js";
export type FetchInstrumentationOptions = {
    /** Additional host -> service name mappings (merged with defaults) */
    serviceMappings?: Record<string, string>;
};
export declare class FetchInstrumentation implements Instrumentation {
    name: string;
    private originalFetch;
    private serviceMappings;
    constructor(options?: FetchInstrumentationOptions);
    init(client: Spanwise): void;
    destroy(): void;
}
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