import { ctInt256, ctString, ctUint, ctUint256, itInt256, itString, itUint, itUint256 } from "@coti-io/coti-sdk-typescript";
import { JsonRpcSigner as BaseJsonRpcSigner, JsonRpcApiProvider } from "ethers";
import { OnboardInfo, RsaKeyPair } from "../types";
export declare class JsonRpcSigner extends BaseJsonRpcSigner {
    #private;
    private _autoOnboard;
    private _userOnboardInfo?;
    constructor(provider: JsonRpcApiProvider, address: string, userOnboardInfo?: OnboardInfo);
    getAutoOnboard(): boolean;
    getUserOnboardInfo(): OnboardInfo | undefined;
    setUserOnboardInfo(onboardInfo?: Partial<OnboardInfo> | undefined | null): void;
    setAesKey(key: string): void;
    setOnboardTxHash(hash: string): void;
    setRsaKeyPair(rsa: RsaKeyPair): void;
    enableAutoOnboard(): void;
    disableAutoOnboard(): void;
    clearUserOnboardInfo(): void;
    /**
     * Ensures AES key is available, handles onboarding if needed
     */
    private _ensureAesKey;
    /**
     * Encrypts values up to 128 bits (uses #prepareIT)
     */
    encryptValue(plaintextValue: bigint | number | string, contractAddress: string, functionSelector: string): Promise<itUint | itString>;
    /**
     * Encrypts values up to 256 bits (uses #prepareIT256)
     */
    encryptValue256(plaintextValue: bigint | number, contractAddress: string, functionSelector: string): Promise<itUint256>;
    /**
     * Decrypts ctUint256 ciphertexts (uses decryptUint256)
     * Only accepts ciphertexts matching ctUint256 type
     */
    decryptValue256(ciphertext: ctUint256): Promise<bigint>;
    /**
     * Encrypts a signed int256 (uses #prepareSignedIT256).
     */
    encryptValueSigned256(plaintextValue: bigint | number, contractAddress: string, functionSelector: string): Promise<itInt256>;
    /**
     * Decrypts ctInt256 ciphertexts (uses decryptInt256).
     */
    decryptValueSigned256(ciphertext: ctInt256): Promise<bigint>;
    /**
     * Decrypts ctUint and ctString ciphertexts
     */
    decryptValue(ciphertext: ctUint | ctString): Promise<bigint | string>;
    generateOrRecoverAes(onboardContractAddress?: string): Promise<void>;
}