import type { HexString } from '../binary.js';
import type { EncryptionScheme, EncryptResultOf, PlaintextOf, SupportedFheType } from '../encryption/encryption.js';
import type { BackoffConfig } from '../retry.js';
/**
 * Custom error class for attested decrypt operations.
 */
export declare class AttestedDecryptError extends Error {
    readonly cause?: unknown | undefined;
    constructor(message: string, cause?: unknown | undefined);
}
export type DecryptionAttestation<S extends EncryptionScheme, T extends SupportedFheType> = {
    handle: HexString;
    plaintext: PlaintextOf<S, T>;
    covalidatorSignatures: Uint8Array[];
};
export type EncryptedDecryptionAttestation<S extends EncryptionScheme, T extends SupportedFheType> = {
    handle: HexString;
    encryptedPlaintext: EncryptResultOf<S, T>;
    encryptedSignatures: Uint8Array[];
    covalidatorSignatures: Uint8Array[];
};
export type AttestedDecryptor<S extends EncryptionScheme> = <T extends SupportedFheType>(args: AttestedDecryptFnArgs<S, T>) => Promise<DecryptionAttestation<S, T>>;
export type AttestedDecryptFnArgs<S extends EncryptionScheme, T extends SupportedFheType> = {
    /** The handle to decrypt */
    handle: HexString;
    backoffConfig?: Partial<BackoffConfig>;
};