import { EnergyTransaction } from '../interfaces/energyTransaction';
import { Checksum } from '../types/checksum';
/**
 * In-memory ledger for energy transactions
 * Provides audit trail of all energy flows
 */
export declare class EnergyLedger {
    private transactions;
    private byMember;
    constructor();
    /**
     * Add transaction to ledger
     */
    add(transaction: EnergyTransaction): void;
    /**
     * Get transaction by ID
     */
    get(txId: Checksum): EnergyTransaction | undefined;
    /**
     * Get all transactions for a member
     */
    getByMember(memberId: Checksum): EnergyTransaction[];
    /**
     * Get transactions in time range
     */
    getByTimeRange(start: Date, end: Date): EnergyTransaction[];
    /**
     * Get all transactions
     */
    getAll(): EnergyTransaction[];
    /**
     * Get transaction count
     */
    get size(): number;
    /**
     * Clear all transactions
     */
    clear(): void;
}
//# sourceMappingURL=energyLedger.d.ts.map