type.setLowerBounds(new TypeMetaData('OtherType'))

        expect:
        type.signature == '? super OtherType'
    }

    def visitsSignature() {
        TypeMetaData.SignatureVisitor visitor = Mock()

        when:
        type.visitSignature(visitor)

        then:
        1 * visitor.visitType('org.gradle.SomeType')
        0 * visitor._
    }

    def visitsSignatureForArrayType() {

                typeArg.visitTypes(action);
            }
        }
    }

    public void visitSignature(SignatureVisitor visitor) {
        if (wildcard) {
            visitor.visitText("?");
        } else if (upperBounds != null) {
            visitor.visitText("? extends ");
            upperBounds.visitSignature(visitor);
        } else if (lowerBounds != null) {
            visitor.visitText("? super ");

    }

    Node link(TypeMetaData type, final GenerationListener listener) {
        final Element linkElement = document.createElement("classname");

        type.visitSignature(new TypeMetaData.SignatureVisitor() {
            @Override
            public void visitText(String text) {
                linkElement.appendChild(document.createTextNode(text));
            }

            @Override