import { NestInterceptor, ExecutionContext, CallHandler } from '@nestjs/common';
import { Observable } from 'rxjs';
import { AuditContextService } from '../services/audit-context.service';
/**
 * 审计拦截器
 */
export declare class AuditInterceptor implements NestInterceptor {
    private readonly contextService;
    private readonly logger;
    constructor(contextService: AuditContextService);
    intercept(context: ExecutionContext, next: CallHandler): Observable<any>;
    /**
     * 设置请求上下文
     */
    private setRequestContext;
    /**
     * 处理错误
     */
    private handleError;
    /**
     * 检查是否启用了审计
     */
    private isAuditEnabled;
    /**
     * 生成请求ID
     */
    private generateRequestId;
}