import { PublicKey, KeyType } from '@meer-js/crypto';
import type { ISignatureCrypto } from '@meer-js/types';
/**
 * General signing interface, can be used for in memory signing, RPC singing, external wallet, HSM, etc.
 */
export declare abstract class Signer {
    /**
     * Creates new key and returns public key.
     * @param accountId accountId to retrieve from.
     * @param networkId The targeted network. (ex. default, betanet, etc…)
     */
    abstract createKey(accountId: string, networkId?: string, keyType?: KeyType): Promise<PublicKey>;
    /**
     * Returns public key for given account / network.
     * @param accountId accountId to retrieve from.
     * @param networkId The targeted network. (ex. default, betanet, etc…)
     */
    abstract getPublicKey(accountId?: string, networkId?: string): Promise<PublicKey>;
    /**
     * Signs given message, by first hashing with sha256.
     * @param message message to sign.
     * @param accountId accountId to use for signing.
     * @param networkId The targeted network. (ex. default, betanet, etc…)
     */
    abstract signMessage(message: Uint8Array, accountId?: string, networkId?: string): Promise<ISignatureCrypto>;
}
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