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

        expect:
        type.rawType.signature == 'OtherType'
    }

    def rawTypeForWildcardWithLowerBound() {
        type.setLowerBounds(new TypeMetaData('OtherType'))

        expect:
        type.rawType.signature == 'java.lang.Object'
    }

    def formatsSignature() {
        expect:
        type.signature == 'org.gradle.SomeType'

        return this;
    }

    public TypeMetaData setUpperBounds(TypeMetaData upperBounds) {
        this.upperBounds = upperBounds;
        return this;
    }

    public TypeMetaData setLowerBounds(TypeMetaData lowerBounds) {
        this.lowerBounds = lowerBounds;
        return this;
    }

    public interface SignatureVisitor {
        void visitText(String text);

                wildcardType.getExtendedType().ifPresent(referenceType -> typeMetaData.setUpperBounds(extractTypeName(referenceType)));
                wildcardType.getSuperType().ifPresent(referenceType -> typeMetaData.setLowerBounds(extractTypeName(referenceType)));
            }
        });
        elementType.ifClassOrInterfaceType(classOrInterfaceType -> {
            typeMetaData.setName(extractName(classOrInterfaceType));