import { VaultService, PlainObject, Vault } from "../vault";
import { Buffer as NodeBuffer } from "buffer";
import { PubKeySecp256k1 } from "@keplr-wallet/crypto";
import { Psbt, Network as BitcoinNetwork } from "bitcoinjs-lib";
import { ModularChainInfo, SignPsbtOptions } from "@keplr-wallet/types";
export declare class KeyRingPrivateKeyService {
    protected readonly vaultService: VaultService;
    constructor(vaultService: VaultService);
    init(): Promise<void>;
    supportedKeyRingType(): string;
    createKeyRingVault(privateKey: Uint8Array): Promise<{
        insensitive: PlainObject;
        sensitive: PlainObject;
    }>;
    getPubKey(vault: Vault): PubKeySecp256k1;
    sign(vault: Vault, _purpose: number, _coinType: number, data: Uint8Array, digestMethod: "sha256" | "keccak256" | "hash256" | "noop"): {
        readonly r: Uint8Array;
        readonly s: Uint8Array;
        readonly v: number | null;
    };
    signPsbt(vault: Vault, _purpose: number, _coinType: number, psbt: Psbt, inputsToSign: {
        index: number;
        address: string;
        hdPath?: string;
        tapLeafHashesToSign?: NodeBuffer[];
        sighashTypes?: number[];
        disableTweakSigner?: boolean;
        useTweakedSigner?: boolean;
    }[], network: BitcoinNetwork, _modularChainInfo: ModularChainInfo, options?: SignPsbtOptions): Promise<Psbt>;
    private isTaprootInput;
}