import { SignerPayloadJSON } from '@dedot/types';
import { SignedExtension } from '../SignedExtension.js';
/**
 * @name ChargeAssetTxPayment
 */
export declare class ChargeAssetTxPayment extends SignedExtension<{
    tip: bigint;
    assetId?: number | object;
}> {
    #private;
    init(): Promise<void>;
    fromPayload(payload: SignerPayloadJSON): Promise<void>;
    toPayload(): Partial<SignerPayloadJSON>;
    $AssetId(): any;
}