import type { SearchPlanCandidate } from './plan.ts';
export interface ResolvedRequestAuth {
    readonly apiKey: string;
    readonly baseURL?: string;
    readonly headers?: Readonly<Record<string, string | null>>;
}
export declare function normalizeRequestAuth(auth: string | ResolvedRequestAuth | undefined): ResolvedRequestAuth | undefined;
export declare function applyRequestAuth(candidate: SearchPlanCandidate, auth: ResolvedRequestAuth): SearchPlanCandidate;
/** Materialize pi-ai catalog headers and Copilot's per-request metadata. */
export declare function providerRequestHeaders(candidate: SearchPlanCandidate, initiator: 'agent' | 'user'): Readonly<Record<string, string>>;
//# sourceMappingURL=copilot-request.d.ts.map