import { ValidationArguments, ValidationOptions, ValidatorConstraintInterface } from 'class-validator';
import { ChannelsPropertiesService } from '../services/channels.properties.service';
import { ChannelsService } from '../services/channels.service';
export declare class ChannelPropertyExistsConstraintValidator implements ValidatorConstraintInterface {
    private readonly channelsService;
    private readonly channelsPropertiesService;
    constructor(channelsService: ChannelsService, channelsPropertiesService: ChannelsPropertiesService);
    validate(propertyId: string | undefined, args: ValidationArguments): Promise<boolean>;
    defaultMessage(args: ValidationArguments): string;
}
export declare const ValidateChannelPropertyExists: (validationOptions?: ValidationOptions) => (object: object, propertyName: string) => void;