If it is not specified, the tool will report a missing type when the profile is saved (or validated), and will not create a profile version for the profile until the error is fixed.

如果没有指定这个类型，工具将会在概要文件被保存时报告一个类型错误(或者当验证的时候)，并且不会为概要文件创建一个新版本除非错误被改正。

youdao

If it is not specified, the tool will report a missing type when the profile is saved (or validated), and will not create a profile version for the profile until the error is fixed.

如果没有指定这个类型，工具将会在概要文件被保存时报告一个类型错误(或者当验证的时候)，并且不会为概要文件创建一个新版本除非错误被改正。

youdao