@Override
                public Integer visitTypeVariable(TypeVariable t, Set<Element> visiting) {
                    int result = hashKind(HASH_SEED, t);
                    result *= HASH_MULTIPLIER;
                    result += t.getLowerBound().accept(this, visiting);
                    TypeParameterElement element = (TypeParameterElement) t.asElement();
                    for (TypeMirror bound : element.getBounds()) {
                        result *= HASH_MULTIPLIER;
                        result += bound.accept(this, visiting);
                    }
                    return result;
                }
Utilities related to {@link TypeMirror} instances.

@author Gregory Kick
@since 2.0
android/annotation_processors/permission-requester-compiler/src/main/java/github/tornaco/permission/compiler/common/MoreTypes.java