import { Asset, AnyChain, AssetAmount, ConfigService, TransferConfigs, TransferValidation } from '@galacticcouncil/xc-core';
import { Subscription } from 'rxjs';
import { ChainBalancesResult, Transfer } from './types';
export interface WalletOptions {
    configService: ConfigService;
    transferValidations?: TransferValidation[];
}
export declare class Wallet {
    readonly config: ConfigService;
    readonly validations: TransferValidation[];
    constructor({ configService, transferValidations }: WalletOptions);
    transfer(asset: string | Asset, srcAddress: string, srcChain: string | AnyChain, dstAddress: string, dstChain: string | AnyChain): Promise<Transfer>;
    getTransferData(configs: TransferConfigs, srcAddress: string, dstAddress: string): Promise<Transfer>;
    /**
     * One-shot snapshot of every asset configured on a chain.
     *
     * Intended for balance lists (asset/chain pickers) that should fetch once and
     * re-fetch on demand rather than hold N live subscriptions open. Chains that
     * can serve the whole set in a single read do so; the rest fall back to a
     * per-asset read, where a single failing asset can't blank the snapshot.
     */
    getBalances(address: string, chain: string | AnyChain): Promise<AssetAmount[]>;
    /**
     * Chains the address can hold a balance on
     */
    getChainsForAddress(address: string, chains: (string | AnyChain)[]): AnyChain[];
    /**
     * Read balances in parallel across every chain the address is valid on.
     * Defaults to all configured chains.
     */
    getAllBalances(address: string, chains?: (string | AnyChain)[]): Promise<ChainBalancesResult[]>;
    /**
     * Live subscription for an explicit set of assets on a chain.
     *
     * Only the given assets are subscribed — callers should narrow this to the
     * asset(s) actually in view (e.g. the selected transfer asset) rather than the
     * whole chain, since each asset holds an open subscription.
     */
    subscribeBalance(address: string, chain: string | AnyChain, assets: (string | Asset)[], observer: (balances: AssetAmount[]) => void): Promise<Subscription>;
}