import java.util.Optional;

@ThreadSafe
public interface PluginRegistry {
    <T> PluginImplementation<T> inspect(Class<T> clazz);

    /**
     * Extracts plugin information for the given class, if known to this registry.
     */
    @Nullable
    <T> PluginImplementation<T> maybeInspect(Class<T> clazz);

    /**
     * Locates the plugin with the given id. Note that the id of the result may be different to the requested id.

    def "constructor cache returns the same constructors as 'getConstructors'"() {
        given:
        def constructor = null
        int i = 0
        while (!constructor && ++i<50) {
            // need a loop because IBM JDK is much more proactive in cleaning weak references
            constructor = cache.get(clazz, [] as Class[]).method
        }

            return null;
        }
        return StringConversionUtil.toString((Date) value, pattern);
    }

    @Override
    public boolean isTarget(final Class<?> clazz) {
        assertArgumentNotNull("clazz", clazz);
        return clazz == Date.class;
    }

            return null;
        }
        return StringConversionUtil.toString((Date) value, pattern);
    }

    @Override
    public boolean isTarget(final Class<?> clazz) {
        assertArgumentNotNull("clazz", clazz);
        return clazz == Time.class;
    }

        return Splitter.on(SEPARATOR_PATTERN);
    }

    protected void addImport(Class<?> clazz) throws IOException {
        addImport(clazz.getCanonicalName());
    }

    protected void addImport(String clazz) throws IOException {
        writeLn("import " + clazz + ";");
    }

    protected void writeLn() throws IOException {
        writer.write(ln);
    }

        }

        public static <T> boolean isKnownToHaveConstantTimeSizeMethod(Collection<T> collection) {
            Class<? extends Collection> clazz = collection.getClass();
            if (clazz == HashSet.class || clazz == ArrayList.class || clazz == LinkedList.class || clazz == TreeSet.class) {
                return true;
            }
            return false;
        }
    }

    public <U> Injector bindInstance(Class<U> clazz, U instance) {
        Key<?> key = Key.of(clazz, ReflectionUtils.qualifierOf(clazz));
        Binding<U> binding = Binding.toInstance(instance);
        return doBind(key, binding);
    }

    @Override
    public Injector bindImplicit(Class<?> clazz) {
        Key<?> key = Key.of(clazz, ReflectionUtils.qualifierOf(clazz));
        if (clazz.isInterface()) {

            this.type = type;
        }

        public RelevantMethods build() {
            for (Class<?> clazz = type; clazz != Object.class && clazz != DefaultServiceRegistry.class; clazz = clazz.getSuperclass()) {
                for (Method method : clazz.getDeclaredMethods()) {
                    if (Modifier.isStatic(method.getModifiers())) {
                        continue;
                    }

        }

        return map;
    }

    public boolean hasDetailsOfType(Class<?> clazz) throws ClassNotFoundException {
        Class<?> detailsType = getDetailsType();
        return detailsType != null && clazz.isAssignableFrom(detailsType);
    }

    public Class<?> getDetailsType() throws ClassNotFoundException {

                .distinct()
                .forEach(key -> {
                    Class<?> clazz = key.getRawType();
                    Class<Object> itf = (clazz.isInterface()
                            ? null
                            : (Class<Object>) (clazz.getInterfaces().length > 0 ? clazz.getInterfaces()[0] : clazz));
                    if (itf != null) {