import { EnergyAccount } from '../energyAccount';
import { IAssetAccount } from '../interfaces/assetAccount';
import { IEnergyAccountDto } from '../interfaces/energyAccount';
import { ITypedCollection } from '../interfaces/storage/documentStore';
import { Checksum } from '../types/checksum';
import { AssetAccountStore } from './assetAccountStore';
/**
 * Energy-specific account store.
 *
 * Extends {@link AssetAccountStore} with `defaultAssetId = 'joule'` and
 * optional typed-collection persistence for startup hydration.
 *
 * When constructed without an {@link ITypedCollection} the store is purely
 * in-memory (backward-compatible with existing callers). When a typed
 * collection is provided (e.g. a Model from brightchain-db), every write is
 * mirrored to the backing store and `loadFromStore()` can hydrate the
 * in-memory map on startup.
 */
export declare class EnergyAccountStore extends AssetAccountStore {
    private readonly typedCollection;
    constructor(typedCollection?: ITypedCollection<IEnergyAccountDto, EnergyAccount>);
    /**
     * Store the account in memory and persist to the backing collection.
     *
     * Overrides the synchronous parent method with an async variant so that
     * callers can `await` the full write-through.
     */
    set(memberId: Checksum, account: IAssetAccount): Promise<void>;
    /**
     * Get or create account with trial credits.
     */
    getOrCreate(memberId: Checksum): Promise<EnergyAccount>;
    /**
     * Hydrate the in-memory map from the backing typed collection.
     * No-op when no collection is configured.
     */
    loadFromStore(): Promise<void>;
    /**
     * Get all joule accounts.
     */
    getAll(): EnergyAccount[];
}
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