import { CacheService } from '@servicelabsco/nestjs-utility-services';
import { GchatPostingPayloadDto } from '../dtos/gchat.posting.payload.dto';
export declare class GchatService {
    protected readonly cacheService: CacheService;
    protected base_url: string;
    protected token: string;
    private chatClient;
    constructor(cacheService: CacheService);
    initClient(): Promise<any>;
    getClient(): Promise<any>;
    findUserByEmail(email: string): Promise<any>;
    getParent(businessId: number, userId: number): Promise<string>;
    sendMessage(options: GchatPostingPayloadDto): Promise<any>;
}