protected void assertObjectNotNull(String variableName, Object value) {
        if (variableName == null) {
            String msg = "The value should not be null: variableName=null value=" + value;
            throw new IllegalArgumentException(msg);
        }
        if (value == null) {
            String msg = "The value should not be null: variableName=" + variableName;
            throw new IllegalArgumentException(msg);
        }

    protected void assertObjectNotNull(String variableName, Object value) {
        if (variableName == null) {
            String msg = "The value should not be null: variableName=null value=" + value;
            throw new IllegalArgumentException(msg);
        }
        if (value == null) {
            String msg = "The value should not be null: variableName=" + variableName;
            throw new IllegalArgumentException(msg);
        }

                            valueClass == null ? null : valueClass.getName(), valueClass == null ? null : valueClass.getClassLoader(),
                            value, targetClass == null ? null : targetClass.getName(),
                            targetClass == null ? null : targetClass.getClassLoader()),
                    e);
        }
    }

    /**
     * インスタンスフィールドかどうか返します。

    if (localInputFuture == null | localExceptionType == null | localFallback == null
        // This check, unlike all the others, is a volatile read
        || isCancelled()) {
      return;
    }
    inputFuture = null;

    // For an explanation of the cases here, see the comments on AbstractTransformFuture.run.
    V sourceResult = null;
    Throwable throwable = null;
    try {

      creationTimestamp: null
      labels:
        app: hello
        tier: backend
        track: stable
    spec:
      containers:
      - image: fake.docker.io/google-samples/hello-go-gke:1.0
        name: hello
        ports:
        - containerPort: 80
          name: http
        resources: {}

      creationTimestamp: null
      labels:
        app: hello
        tier: backend
        track: stable
    spec:
      containers:
      - image: fake.docker.io/google-samples/hello-go-gke:1.0
        name: hello
        ports:
        - containerPort: 80
          name: http
        resources: {}

      when (val protocol = sslSocket.applicationProtocol) {
        null, "" -> null
        else -> protocol
      }
    } catch (e: UnsupportedOperationException) {
      // https://docs.oracle.com/javase/9/docs/api/javax/net/ssl/SSLSocket.html#getApplicationProtocol--
      null
    }
  }

  override fun trustManager(sslSocketFactory: SSLSocketFactory): X509TrustManager? {

        if (contextClassLoader != null) {
            return contextClassLoader;
        }

        final ClassLoader targetClassLoader = targetClass.getClassLoader();
        final ClassLoader thisClassLoader = ClassLoaderUtil.class.getClassLoader();
        if (targetClassLoader != null && thisClassLoader != null) {
            if (isAncestor(thisClassLoader, targetClassLoader)) {

                }
            }

            if ( "null".equals( versioning.getLastUpdated() ) )
            {
                versioning.setLastUpdated( null );
            }

            if ( "null".equals( v.getLastUpdated() ) )
            {
                v.setLastUpdated( null );
            }

            if ( versioning.getLastUpdated() == null || versioning.getLastUpdated().length() == 0 )
            {

            0, null, null, false, null, null, null, null, null, false);

    public ColumnInfo columnName() {
        return _columnName;
    }

    protected List<ColumnInfo> ccil() {
        List<ColumnInfo> ls = newArrayList();
        ls.add(columnName());
        return ls;
    }

    // ===================================================================================