WildcardType just defines a pair of methods to return both lower and upper bounds for the wildcard type.
WildcardType只定义了两个方法，返回通配类型的下界和上界。
Unfortunately, you can't invoke a generic constructor with a wildcard type argument, even though you know such a constructor exists. However, you can do this.
不幸的是，您不能用通配符类型的参数调用泛型构造函数，即使知道存在这样的构造函数也不行。
In the case of generic methods, if a type parameter appears only once in the method signature, then it probably should be a wildcard rather than a named type parameter.
就泛型方法来说，如果一个类型参数在方法签名中只出现一次，它很有可能是一个通配符而不是一个命名的类型参数。
Repetition of the same wildcard for every complex type to make the entire schema extensible is tedious.
在非常复杂的类型中重复使用同一个通配符，这使得整体模式扩展非常单调。
Capture conversion is what allows the compiler to manufacture a placeholder type name for the captured wildcard, so that type inference can infer it to be that type.
捕获转换允许编译器为已捕获的通配符产生一个占位符类型名，以便对它进行类型推断。
In this example, I've used AspectJ wildcard notation to represent methods without consideration for name, type, argument, etc. Projections into other dimensions would work similarly.
在该例中，我使用了Aspect j通配符符号来表示方法，没有考虑名字、类型、参数等因素。其他维中的投射与此类似。
Default attribute groups make it easier to specify attributes which every complex type in a schema should accept (for example, XML: id and XML: lang, or an attribute wildcard).
利用默认属性组，可以更容易指定模式中每个复杂类型都应该接受的属性(例如，xml：id和xml：lang，或者属性通配符)。
Similar to Open Type, you can use wildcard characters or abbreviations to quickly narrow down the list of resources.
类似于openType，您可以使用通配符或缩写来快速缩小列表中的资源范围。
The wildcard ANY type is a placeholder whose content might or might not be validated against a schema.
通配符 ANY类型是一个占位符，它的内容可能针对（也可能没有针对）一个模式进行了验证。
For example, if a user were to type in a string that is used to search some index, it may be important to filter the string for improper wildcard characters that might cause unbounded searches.
例如，如果用户要输入一个字符串，用它来搜索某个索引，则必须过滤掉可能会造成越界搜索的不合适的通配符，这是很重要的。
This is why Fan will let you use Obj as a wildcard whenever a more explicit type is expected.
这就是为什么在Fan中，如果需要更加明确的类型，你就可以使用Obj通配符。
Note the wildcard feature does not really weaken the static type system much, because it typically only kicks in with reflection APIs (which would have have required an explicit cast anyways)...
注意通配符实际并不会怎么弱化静态类型系统，因为它通常和映射APIs（总是要求投射明确）一块出现。
As a consequence, the complex type definition in Listing 1 becomes valid in XML Schema 1.1 because the ambiguity between the element declaration and the wildcard no longer exists.
因此，清单1中的复杂类型定义在XMLSchema 1.1中变得有效，因为元素声明和通配符之间的不确定性已不复存在。
When the compiler encounters a variable with a wildcard in its type, such as the box parameter of rebox , it knows that there must have been some t for which box is a box.
当编译器遇到一个在其类型中带有通配符的变量，比如rebox的box参数，它认识到必然有一些T，对这些t而言box是box。
When the compiler encounters a variable with a wildcard in its type, such as the box parameter of rebox , it knows that there must have been some t for which box is a box.
当编译器遇到一个在其类型中带有通配符的变量，比如rebox的box参数，它认识到必然有一些T，对这些t而言box是box。
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