import { SignOptions, Signer } from '../signer.js';
type HexString = string;
/**
 * Unisat wallet api, see [opcat api docs]{@link https://docs.opcat.io/dev/opcat-developer-center/opcat-wallet#opcat-wallet-api}
 * @category Signer
 */
export interface OpcatAPI {
    getAccounts: () => Promise<string[]>;
    requestAccounts: () => Promise<string[]>;
    getPublicKey: () => Promise<string>;
    signPsbt(psbtHex: HexString, options?: SignOptions): Promise<HexString>;
    signPsbts(psbtHexs: HexString[], options?: SignOptions[]): Promise<HexString[]>;
}
/**
 * a [signer]{@link https://docs.opcatlabs.io/how-to-deploy-and-call-a-contract/#signer } which implemented the protocol with the [Unisat wallet]{@link https://opcat.io},
 * and dapps can use to interact with the Unisat wallet
 * @category Signer
 */
export declare class WalletSigner implements Signer {
    private _opcat;
    constructor(opcat: OpcatAPI);
    /**
     * Retrieves the Unisat API instance from either the cached property or global window object.
     * @throws {Error} If Unisat API is not available (not installed).
     * @returns {OpcatAPI} The Unisat API instance.
     */
    getOpcatAPI(): OpcatAPI;
    /**
     * Gets the address from the Unisat wallet API.
     * @returns A promise that resolves to the first account address string.
     */
    getAddress(): Promise<string>;
    /**
     * Retrieves the public key from the Unisat wallet API.
     * @returns A promise that resolves to the public key as a string.
     */
    getPublicKey(): Promise<string>;
    /**
     * Signs a PSBT (Partially Signed Opcat Transaction) using the Unisat wallet API.
     *
     * @param psbtHex - The PSBT in hexadecimal format to be signed.
     * @param options - Optional signing options (e.g., specific inputs to sign).
     * @returns A Promise resolving to the signed PSBT in hexadecimal format.
     */
    signPsbt(psbtHex: string, options?: SignOptions): Promise<string>;
    /**
     * Signs multiple PSBTs (Partially Signed Opcat Transactions) using the Unisat wallet API.
     *
     * @param reqs - Array of objects containing PSBT hex strings and optional signing options
     * @returns Promise resolving to an array of signed PSBT hex strings
     */
    signPsbts(reqs: {
        psbtHex: string;
        options?: SignOptions;
    }[]): Promise<string[]>;
}
export {};
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