Examples of javax.lang.model.type.WildcardType

javax.lang.model.type.WildcardType
Represents a wildcard type argument. Examples include:
```
 ? ? extends Number ? super T 
```
A wildcard may have its upper bound explicitly set by an {@code extends} clause, its lower bound explicitly set by a{@code super} clause, or neither (but not both). @author Joseph D. Darcy @author Scott Seligman @author Peter von der Ahé @since 1.6

      } else {
        return processingEnv.getTypeUtils().getNoType(TypeKind.NONE);
      }
    }
    if (t1.getKind() == TypeKind.WILDCARD) {
      WildcardType wc1 = (WildcardType) t1;
      Type bound = (Type) wc1.getExtendsBound();
      if (bound == null) {
        // Implicit upper bound of java.lang.Object
        Elements elements = processingEnv.getElementUtils();
        return elements.getTypeElement("java.lang.Object").asType();
      }
      t1 = bound;
    }
    if (t2.getKind() == TypeKind.WILDCARD) {
      WildcardType wc2 = (WildcardType) t2;
      Type bound = (Type) wc2.getExtendsBound();
      if (bound == null) {
        // Implicit upper bound of java.lang.Object
        Elements elements = processingEnv.getElementUtils();
        return elements.getTypeElement("java.lang.Object").asType();
      }

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          type = tvar.getUpperBound();
        } else {
          break;
        }
      } else if (type instanceof WildcardType) {
        WildcardType wc = (WildcardType) type;
        if (wc.getExtendsBound() != null) {
          type = wc.getExtendsBound();
        } else {
          break;
        }
      } else {
        break;

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  private final TypeMirror mapType;


  public TypeUtils(ProcessingEnvironment env) {
    this.env = env;
    Types types = env.getTypeUtils();
    WildcardType wc = types.getWildcardType(null, null);
    this.collectionType = types.getDeclaredType(this.env.getElementUtils()
        .getTypeElement(Collection.class.getName()), wc);
    this.mapType = types.getDeclaredType(
        this.env.getElementUtils().getTypeElement(Map.class.getName()), wc, wc);

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