import { ConfigService } from '@nestjs/config';
import { Repository } from 'typeorm';
import { Message } from './entities/message.entity';
import { Session } from '../session/entities/session.entity';
import { AuditService } from '../audit/audit.service';
export declare const SEND_PACING_LIMITED = "SEND_PACING_LIMITED";
export declare function isPacingLimitedError(error: unknown): boolean;
export declare function countsTowardSendBreaker(error: unknown): boolean;
export declare class SendPacingService {
    private readonly messageRepository;
    private readonly sessionRepository;
    private readonly configService?;
    private readonly auditService?;
    private readonly logger;
    private readonly breakers;
    private readonly groupReachoutTally;
    private readonly refusalSamples;
    constructor(messageRepository: Repository<Message>, sessionRepository: Repository<Session>, configService?: ConfigService | undefined, auditService?: AuditService | undefined);
    assertSendAllowed(sessionId: string, chatId?: string): Promise<void>;
    assertReachoutAllowed(sessionId: string, contactIds: string[]): Promise<number>;
    chargeGroupReachouts(sessionId: string, coldCount: number): void;
    private groupReachoutsToday;
    private addGroupReachouts;
    recordSendFailure(sessionId: string): void;
    recordSendSuccess(sessionId: string): void;
    private allowanceForAge;
    private breakerFor;
    private assertBreakerClosed;
    private assertUnderDailyCap;
    private auditRefusal;
    private assertUnderColdCap;
    private countColdReachoutsToday;
    private refuse;
}