import type { SearchProvider, SearchResult, SearchOptions, IndexableItem } from "./types.js";
export interface RemoteSearchProviderOptions {
    baseUrl: string;
    /**
     * Extra headers sent with every request. Supports any auth scheme:
     *   { "Authorization": "Bearer <token>" }           — standard bearer
     *   { "x-api-key": "key" }                          — API key header
     *   { "x-harness-token": "svc", "x-tenant": "..." } — internal service mesh
     */
    headers?: Record<string, string>;
    timeoutMs?: number;
}
export declare class RemoteSearchProvider implements SearchProvider {
    private available;
    private initError;
    private readonly baseUrl;
    private readonly extraHeaders;
    private readonly timeoutMs;
    constructor(options: RemoteSearchProviderOptions);
    initialize(): Promise<void>;
    getInitError(): string | undefined;
    isAvailable(): boolean;
    evictExpired(): void;
    search(query: string, options?: SearchOptions): Promise<SearchResult[]>;
    index(item: IndexableItem): Promise<void>;
    private doFetch;
}
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