import type NDK from "@nostr-dev-kit/ndk";
import { NDKEvent, type NDKSigner } from "@nostr-dev-kit/ndk";
/**
 * Create a Blossom authorization event according to BUD-01 specification
 *
 * @param ndk NDK instance
 * @param action The action being performed ('upload', 'delete', 'list', 'get')
 * @param options Options for the auth event
 * @returns Signed authentication event
 */
export declare function createAuthEvent(ndk: NDK, action: "upload" | "delete" | "list" | "get", options?: {
    sha256?: string | string[];
    content?: string;
    expirationSeconds?: number;
    signer?: NDKSigner;
}): Promise<NDKEvent>;
/**
 * Add authorization headers to a request using base64 encoded event
 *
 * @param headers Headers object to modify
 * @param authEvent Signed authentication event
 * @returns Modified headers object
 */
export declare function addAuthHeaders(headers: Record<string, string>, authEvent: NDKEvent): Record<string, string>;
/**
 * Create authenticated fetch options with the NDK signer
 *
 * @param ndk NDK instance
 * @param action The action being performed ('upload', 'delete', 'list', 'get')
 * @param options Options for the auth event and fetch
 * @returns Fetch options with authentication
 */
export declare function createAuthenticatedFetchOptions(ndk: NDK, action: "upload" | "delete" | "list" | "get", options?: {
    sha256?: string | string[];
    content?: string;
    expirationSeconds?: number;
    fetchOptions?: RequestInit;
    signer?: NDKSigner;
}): Promise<RequestInit>;
//# sourceMappingURL=auth.d.ts.map