/**
 * Kagi Diagnostics Capability.
 *
 * Probes Kagi connectivity with a lightweight web-search request
 * (query "scoutline-doctor-probe", limit 1) through the same client the Search
 * Capability uses — GET /api/v1/search with `Authorization: Bot <key>`.
 * Billable. Errors are normalized through the shared probe-error seam
 * so no raw Provider body crosses the diagnostics boundary.
 */
import type { DiagnosticsCapability } from "../../capabilities/diagnostics.js";
import { type KagiTransportDeps } from "./client.js";
export interface KagiDiagnosticsCapabilityOptions {
    readonly env: NodeJS.ProcessEnv;
    readonly transport?: KagiTransportDeps;
}
export declare function createKagiDiagnosticsCapability(options: KagiDiagnosticsCapabilityOptions): DiagnosticsCapability;
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