import { EntitySubscriberInterface, InsertEvent, UpdateEvent, RemoveEvent, DataSource } from 'typeorm';
import { EntityAuditService } from '../services/entity-audit.service';
import { AuditContextService } from '../services/audit-context.service';
import { DefaultAuditStrategy } from '../services/audit-strategy.service';
/**
 * 实体审计订阅者
 */
export declare class EntityAuditSubscriber implements EntitySubscriberInterface<any> {
    private readonly entityAuditService;
    private readonly contextService;
    private readonly auditStrategy;
    private readonly logger;
    constructor(entityAuditService: EntityAuditService, contextService: AuditContextService, auditStrategy: DefaultAuditStrategy, dataSource: DataSource);
    /**
     * 在实体插入后记录审计日志
     */
    afterInsert(event: InsertEvent<any>): Promise<void>;
    /**
     * 在实体更新后记录审计日志
     */
    afterUpdate(event: UpdateEvent<any>): Promise<void>;
    /**
     * 在实体删除前记录审计日志
     */
    beforeRemove(event: RemoveEvent<any>): Promise<void>;
    /**
     * 计算变更字段
     */
    private calculateChangedFields;
    /**
     * 检查是否启用了审计
     */
    private isAuditEnabled;
}