/**
 * Candid type definitions for ICP canister interaction.
 * These types match the canister interface (snake_case) and are internal implementation details.
 *
 * @remarks
 * Most SDK consumers should not import this module directly. Use {@link StealthCanisterClient}
 * and the higher-level operations in `src/operations/*`.
 */
import { ActorMethod } from "@dfinity/agent";
import type { CanisterResult } from "./types.js";
export type KeyManagerActor = {
    get_view_public_key: ActorMethod<[Uint8Array], CanisterResult<Uint8Array>>;
    request_encrypted_view_key: ActorMethod<[
        EncryptedViewKeyRequestCandid
    ], CanisterResult<Uint8Array>>;
    get_max_nonce: ActorMethod<[Uint8Array], CanisterResult<bigint>>;
};
export type StorageActor = {
    submit_announcement: ActorMethod<[AnnouncementInputCandid], CanisterResult<AnnouncementCandid>>;
    submit_invoice: ActorMethod<[InvoiceSubmissionCandid], CanisterResult<null>>;
    list_invoices: ActorMethod<[Uint8Array, string], CanisterResult<Uint8Array[]>>;
    list_announcements: ActorMethod<[[] | [bigint], [] | [number], string], AnnouncementPageCandid>;
    list_announcements_by_time: ActorMethod<[
        [] | [bigint],
        [] | [number],
        string
    ], AnnouncementPageByTimeCandid>;
    get_announcement: ActorMethod<[bigint], [] | [AnnouncementCandid]>;
};
export interface AnnouncementInputCandid {
    ibe_ciphertext: Uint8Array;
    ciphertext: Uint8Array;
    nonce: Uint8Array;
    tag: string;
}
export interface EncryptedViewKeyRequestCandid {
    address: Uint8Array;
    transport_public_key: Uint8Array;
    expiry_ns: bigint;
    nonce: bigint;
    signature: Uint8Array;
}
export interface InvoiceSubmissionCandid {
    invoice_id: Uint8Array;
    signature: Uint8Array;
    tag: string;
}
export interface AnnouncementCandid {
    id: bigint;
    ibe_ciphertext: Uint8Array;
    ciphertext: Uint8Array;
    nonce: Uint8Array;
    created_at_ns: bigint;
    tag: string;
}
export interface AnnouncementPageCandid {
    announcements: AnnouncementCandid[];
    next_id: [] | [bigint];
}
export interface AnnouncementPageByTimeCandid {
    announcements: AnnouncementCandid[];
    next_ts: [] | [bigint];
}
/**
 * Unwraps a canister result, handling both Ok/Err and ok/err variants.
 * @param result - Result union returned by canister method.
 * @param method - Method name used for error context.
 * @throws {@link StealthError} if the result is an error variant.
 * @throws {@link StealthError} if the variant is unknown.
 */
export declare function unwrapResult<T>(result: CanisterResult<T>, method: string): T;
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