import { SignOptions, Signer } from '../signer.js';
import { PrivateKey, Network } from '@opcat-labs/opcat';
import { Signer as PSigner } from '../psbt/psbt.js';
export declare class PsbtSigner implements PSigner {
    private readonly privateKey;
    constructor(privateKey: PrivateKey);
    get publicKey(): Uint8Array;
    get network(): Network;
    sign(hash: Uint8Array, _lowR?: boolean): Uint8Array;
    getPublicKey?(): Uint8Array;
}
/**
 * An implemention of a simple signer which should just be used in nodejs environments.
 * @category Signer
 */
export declare class DefaultSigner implements Signer {
    private readonly privateKey;
    private readonly keyPair;
    readonly network: Network;
    constructor(privateKey?: PrivateKey);
    /**
     * Gets the address derived from the signer's private key and network.
     * @returns A promise resolving to the address string.
     */
    getAddress(): Promise<string>;
    /**
     * Returns the public key in hexadecimal format derived from the private key.
     * @returns A promise that resolves to the public key as a hex string.
     */
    getPublicKey(): Promise<string>;
    /**
     * Signs a PSBT (Partially Signed Bitcoin Transaction) with the signer's key pair.
     *
     * @param psbtHex - The PSBT in hexadecimal format to be signed
     * @param options - Optional signing configuration including inputs to sign
     * @returns Promise resolving to the signed PSBT in hexadecimal format
     *
     * @remarks
     * - If options are provided, only specified inputs matching the signer's address/public key will be signed
     * - If no options are provided, all inputs will be signed with SIGHASH_ALL
     */
    signPsbt(psbtHex: string, options?: SignOptions): Promise<string>;
    /**
     * Signs multiple PSBTs (Partially Signed Bitcoin Transactions) in parallel.
     * @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[]>;
}
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