extends in class-validator (NestJS)

class PaginationQueryStringDto {
    @IsOptional()
    @IsNumber(
        { allowInfinity: false, allowNaN: false },
        { message: 'page_should_be_number'.toUpperCase() },
    )
    page: number;

    @IsOptional()
    @IsNumber(
        { allowInfinity: false, allowNaN: false },
        { message: 'limit_should_be_number'.toUpperCase() },
    )
    limit: number;
}

class ProjectFiltersByUserDto extends PaginationQueryStringDto {
    @IsOptional()
    @IsString({ message: 'province_should_be_string'.toUpperCase() })
    @IsMongoId({ message: 'province_should_be_object_id'.toUpperCase() })
    province: string;

    @IsOptional()
    @IsString({ message: 'endDate_should_be_string'.toUpperCase() })
    endDate: string;

    @IsOptional()
    @IsString({ message: 'startDate_should_be_string'.toUpperCase() })
    startDate: string;

    @IsOptional()
    @IsString({ message: 'serviceTypeId_should_be_string'.toUpperCase() })
    @IsMongoId({ message: 'serviceTypeId_should_be_object_id'.toUpperCase() })
    serviceTypeId: string;
}