How to use the paraviewweb/src/Common/Core/CompositeClosureHelper.isA function in paraviewweb

export function extend(publicAPI, model, initialValues = {}) {
  Object.assign(model, initialValues);

  CompositeClosureHelper.destroy(publicAPI, model);
  CompositeClosureHelper.isA(publicAPI, model, 'Histogram1DProvider');
  CompositeClosureHelper.dataSubscriber(publicAPI, model, 'histogram1D', {
    defaultMetadata: {
      numberOfBins: 32,
      partial: true,
    },
    set(storage, data) {
      const numberOfBins = data.counts.length;
      if (!storage[numberOfBins]) {
        storage[numberOfBins] = {};
      }
      const binStorage = storage[numberOfBins];

      // Ensure that empty range histogram to only fill the first bin
      if (data.min === data.max) {
        const totalCount = data.counts.reduce((a, b) => a + b, 0);
        data.counts = data.counts.map((v, i) => (i ? 0 : totalCount));

export function extend(publicAPI, model, initialValues = {}) {
  Object.assign(model, DEFAULT_VALUES, initialValues);

  CompositeClosureHelper.destroy(publicAPI, model);
  CompositeClosureHelper.isA(publicAPI, model, 'VizComponent');
  CompositeClosureHelper.get(publicAPI, model, [
    'provider',
    'container',
    'numberOfBins',
  ]);
  CompositeClosureHelper.set(publicAPI, model, ['numberOfBins']);
  CompositeClosureHelper.dynamicArray(publicAPI, model, 'readOnlyFields');

  informationDiagram(publicAPI, model);
}

export function extend(publicAPI, model, initialValues = {}) {
  Object.assign(model, DEFAULT_VALUES, initialValues);

  CompositeClosureHelper.destroy(publicAPI, model);
  CompositeClosureHelper.isA(publicAPI, model, 'HistogramBinHoverProvider');
  CompositeClosureHelper.event(publicAPI, model, 'HoverBinChange');

  histogramBinHoverProvider(publicAPI, model);
}

export function extend(publicAPI, model, initialValues = {}) {
  Object.assign(model, DEFAULT_VALUES, initialValues);

  CompositeClosureHelper.destroy(publicAPI, model);
  CompositeClosureHelper.isA(publicAPI, model, 'LegendProvider');

  legendProvider(publicAPI, model);
}

export function extend(publicAPI, model, initialValues = {}) {
  Object.assign(model, DEFAULT_VALUES, initialValues);

  CompositeClosureHelper.destroy(publicAPI, model);
  CompositeClosureHelper.isA(publicAPI, model, 'ScoresProvider');
  CompositeClosureHelper.event(publicAPI, model, 'scoresChange', false);
  CompositeClosureHelper.get(publicAPI, model, ['scores']);

  scoresProvider(publicAPI, model);
}

export function extend(publicAPI, model, initialValues = {}) {
  Object.assign(model, DEFAULT_VALUES, initialValues);

  CompositeClosureHelper.destroy(publicAPI, model);
  CompositeClosureHelper.isA(publicAPI, model, PROVIDER_NAME);
  CompositeClosureHelper.event(publicAPI, model, 'FieldChange');
  CompositeClosureHelper.get(publicAPI, model, ['fieldsSorted']);
  CompositeClosureHelper.set(publicAPI, model, ['fieldsSorted']);

  fieldProvider(publicAPI, model);
}

export function extend(publicAPI, model, initialValues = {}) {
  Object.assign(model, DEFAULT_VALUES, initialValues);

  CompositeClosureHelper.destroy(publicAPI, model);
  CompositeClosureHelper.isA(publicAPI, model, 'VizComponent');
  CompositeClosureHelper.get(publicAPI, model, [
    'provider',
    'container',
    'fieldShowHistogram',
    'numberOfBins',
  ]);
  CompositeClosureHelper.set(publicAPI, model, [
    'fieldShowHistogram',
    'numberOfBins',
  ]);

  fieldSelector(publicAPI, model);
}

export function extend(publicAPI, model, initialValues = {}) {
  Object.assign(model, DEFAULT_VALUES, initialValues);

  CompositeClosureHelper.destroy(publicAPI, model);
  CompositeClosureHelper.event(publicAPI, model, 'ImageReady');
  CompositeClosureHelper.isA(publicAPI, model, 'WslinkImageStream');

  wslinkImageStream(publicAPI, model);
}

export function extend(publicAPI, model, initialValues = {}) {
  Object.assign(model, DEFAULT_VALUES, initialValues);

  CompositeClosureHelper.destroy(publicAPI, model);
  CompositeClosureHelper.isA(publicAPI, model, PROVIDER_NAME);
  CompositeClosureHelper.event(publicAPI, model, 'StoreAnnotationChange');
  CompositeClosureHelper.set(publicAPI, model, ['defaultEmptyAnnotationName']);
  CompositeClosureHelper.get(publicAPI, model, ['defaultEmptyAnnotationName']);

  annotationStoreProvider(publicAPI, model);
}

export function extend(publicAPI, model, initialValues = {}) {
  Object.assign(model, initialValues);

  CompositeClosureHelper.destroy(publicAPI, model);
  CompositeClosureHelper.isA(publicAPI, model, 'Histogram2DProvider');
  CompositeClosureHelper.dataSubscriber(publicAPI, model, 'histogram2D', {
    defaultMetadata: {
      numberOfBins: 32,
      partial: true,
    },
    set(storage, data) {
      const binSize = data.numberOfBins || 'default';
      if (!storage[binSize]) {
        storage[binSize] = {};
      }
      const binStorage = storage[binSize];
      if (!binStorage[data.x.name]) {
        binStorage[data.x.name] = {};
      }
      if (!binStorage[data.y.name]) {
        binStorage[data.y.name] = {};