import { KeyType } from "./key-type.js";
import { Bytes, BytesType } from "./bytes.js";
import { Checksum256Type, Checksum512 } from "./checksum.js";
import { PublicKey } from "./public-key.js";
import { Signature } from "./signature.js";
export type PrivateKeyType = PrivateKey | string;
export declare class PrivateKey {
    type: KeyType;
    data: Bytes;
    static from(value: PrivateKeyType): PrivateKey;
    static fromString(string: string, ignoreChecksumError?: boolean): PrivateKey;
    static generate(type: KeyType | string): PrivateKey;
    constructor(type: KeyType, data: Bytes);
    signDigest(digest: Checksum256Type): Signature;
    signMessage(message: BytesType): Signature;
    sharedSecret(publicKey: PublicKey): Checksum512;
    toPublic(): PublicKey;
    toWif(): string;
    static isAllZero(data: Bytes): boolean;
    toString(): string;
    toJSON(): string;
}
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