import type { AuditEvent, MachineCommit, MachineStore, OutboxMessage, StateRecord } from './types.js';
export declare class MemoryMachineStore<S> implements MachineStore<S> {
    #private;
    readonly events: AuditEvent[];
    readonly outbox: OutboxMessage[];
    load(machineId: string, entityId: string): Promise<StateRecord<S> | null>;
    commit(input: MachineCommit<S>): Promise<'committed' | 'duplicate' | 'conflict'>;
}