import type { PrivateKey, PublicKey } from '@hashgraph/sdk';
export declare abstract class WalletHedera {
    abstract getTransactionSigner(index: number): Promise<(transactionBody: Uint8Array) => Promise<Uint8Array>>;
    abstract getPublicKey(index: number): Promise<PublicKey | undefined>;
    /** Get the private key associated with the wallet (if avaialble) */
    getPrivateKey(_index: number): Promise<PrivateKey | null>;
    hasPrivateKey(): boolean;
    get minIndex(): number;
    get maxIndex(): number;
}
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