How to use the @nestjsx/util.isFalse function in @nestjsx/util

}

    // set serialize
    const serialize = isObjectFull(this.options.serialize) ? this.options.serialize : {};
    this.options.serialize = { ...CrudConfigService.config.serialize, ...serialize };
    this.options.serialize.get = isFalse(this.options.serialize.get)
      ? false
      : this.options.serialize.get || this.modelType;
    this.options.serialize.getMany = isFalse(this.options.serialize.getMany)
      ? false
      : this.options.serialize.getMany
      ? this.options.serialize.getMany
      : isFalse(this.options.serialize.get)
      ? /* istanbul ignore next */ false
      : SerializeHelper.createGetManyDto(this.options.serialize.get, this.modelName);
    this.options.serialize.create = isFalse(this.options.serialize.create)
      ? false
      : this.options.serialize.create || this.modelType;
    this.options.serialize.update = isFalse(this.options.serialize.update)
      ? false
      : this.options.serialize.update || this.modelType;
    this.options.serialize.replace = isFalse(this.options.serialize.replace)
      ? false
      : this.options.serialize.replace || this.modelType;
    this.options.serialize.delete =
      isFalse(this.options.serialize.delete) ||
      !this.options.routes.deleteOneBase.returnDeleted
        ? false
        : this.options.serialize.delete || this.modelType;

    R.setCrudOptions(this.options, this.target);
  }

: this.options.serialize.getMany
      ? this.options.serialize.getMany
      : isFalse(this.options.serialize.get)
      ? /* istanbul ignore next */ false
      : SerializeHelper.createGetManyDto(this.options.serialize.get, this.modelName);
    this.options.serialize.create = isFalse(this.options.serialize.create)
      ? false
      : this.options.serialize.create || this.modelType;
    this.options.serialize.update = isFalse(this.options.serialize.update)
      ? false
      : this.options.serialize.update || this.modelType;
    this.options.serialize.replace = isFalse(this.options.serialize.replace)
      ? false
      : this.options.serialize.replace || this.modelType;
    this.options.serialize.delete =
      isFalse(this.options.serialize.delete) ||
      !this.options.routes.deleteOneBase.returnDeleted
        ? false
        : this.options.serialize.delete || this.modelType;

    R.setCrudOptions(this.options, this.target);
  }

primary: true,
      };
    }

    // set dto
    if (!isObjectFull(this.options.dto)) {
      this.options.dto = {};
    }

    // set serialize
    const serialize = isObjectFull(this.options.serialize) ? this.options.serialize : {};
    this.options.serialize = { ...CrudConfigService.config.serialize, ...serialize };
    this.options.serialize.get = isFalse(this.options.serialize.get)
      ? false
      : this.options.serialize.get || this.modelType;
    this.options.serialize.getMany = isFalse(this.options.serialize.getMany)
      ? false
      : this.options.serialize.getMany
      ? this.options.serialize.getMany
      : isFalse(this.options.serialize.get)
      ? /* istanbul ignore next */ false
      : SerializeHelper.createGetManyDto(this.options.serialize.get, this.modelName);
    this.options.serialize.create = isFalse(this.options.serialize.create)
      ? false
      : this.options.serialize.create || this.modelType;
    this.options.serialize.update = isFalse(this.options.serialize.update)
      ? false
      : this.options.serialize.update || this.modelType;
    this.options.serialize.replace = isFalse(this.options.serialize.replace)
      ? false
      : this.options.serialize.replace || this.modelType;
    this.options.serialize.delete =

static createBulkDto(options: MergedCrudOptions): any {
    /* istanbul ignore else */
    if (validator && transformer && !isFalse(options.validation)) {
      const { IsArray, ArrayNotEmpty, ValidateNested } = validator;
      const { Type } = transformer;
      const hasDto = !isNil(options.dto.create);
      const groups = !hasDto ? [CrudValidationGroups.CREATE] : undefined;
      const always = hasDto ? true : undefined;
      const Model = hasDto ? options.dto.create : options.model.type;

      // tslint:disable-next-line:max-classes-per-file
      class BulkDtoImpl implements CreateManyDto {
        @ApiProperty({ type: Model, isArray: true })
        @IsArray({ groups, always })
        @ArrayNotEmpty({ groups, always })
        @ValidateNested({ each: true, groups, always })
        @Type(() => Model)
        bulk: T[];
      }

static getValidationPipe(
    options: CrudOptions,
    group?: CrudValidationGroups,
  ): ValidationPipe {
    return validator && !isFalse(options.validation)
      ? new ValidationPipe({
          ...(options.validation || {}),
          groups: group ? [group] : undefined,
        })
      : /* istanbul ignore next */ undefined;
  }

? false
      : this.options.serialize.get || this.modelType;
    this.options.serialize.getMany = isFalse(this.options.serialize.getMany)
      ? false
      : this.options.serialize.getMany
      ? this.options.serialize.getMany
      : isFalse(this.options.serialize.get)
      ? /* istanbul ignore next */ false
      : SerializeHelper.createGetManyDto(this.options.serialize.get, this.modelName);
    this.options.serialize.create = isFalse(this.options.serialize.create)
      ? false
      : this.options.serialize.create || this.modelType;
    this.options.serialize.update = isFalse(this.options.serialize.update)
      ? false
      : this.options.serialize.update || this.modelType;
    this.options.serialize.replace = isFalse(this.options.serialize.replace)
      ? false
      : this.options.serialize.replace || this.modelType;
    this.options.serialize.delete =
      isFalse(this.options.serialize.delete) ||
      !this.options.routes.deleteOneBase.returnDeleted
        ? false
        : this.options.serialize.delete || this.modelType;

    R.setCrudOptions(this.options, this.target);
  }

protected transform(dto: any, data: any) {
    if (!isObject(data) || isFalse(dto)) {
      return data;
    }

    if (!isFunction(dto)) {
      return data.constructor !== Object ? classToPlain(data) : data;
    }

    return data instanceof dto
      ? classToPlain(data)
      : classToPlain(classToPlainFromExist(data, new dto()));
  }