How to use the cornerstone-tools.store function in cornerstone-tools

cornerstoneTools.external.Hammer = Hammer;
  cornerstoneTools.external.cornerstoneMath = cornerstoneMath;
  cornerstoneTools.init(configuration);

  // Set the tool font and font size
  // context.font = "[style] [variant] [weight] [size]/[line height] [font family]";
  const fontFamily =
    'Roboto, OpenSans, HelveticaNeue-Light, Helvetica Neue Light, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif';
  cornerstoneTools.textStyle.setFont(`16px ${fontFamily}`);

  // Tool styles/colors
  cornerstoneTools.toolStyle.setToolWidth(2);
  cornerstoneTools.toolColors.setToolColor('rgb(255, 255, 0)');
  cornerstoneTools.toolColors.setActiveColor('rgb(0, 255, 0)');

  cornerstoneTools.store.state.touchProximity = 40;
}

cornerstoneTools.external.Hammer = Hammer;
  cornerstoneTools.external.cornerstoneMath = cornerstoneMath;
  cornerstoneTools.init(configuration);

  // Set the tool font and font size
  // context.font = "[style] [variant] [weight] [size]/[line height] [font family]";
  const fontFamily =
    'Roboto, OpenSans, HelveticaNeue-Light, Helvetica Neue Light, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif';
  cornerstoneTools.textStyle.setFont(`16px ${fontFamily}`);

  // Tool styles/colors
  cornerstoneTools.toolStyle.setToolWidth(2);
  cornerstoneTools.toolColors.setToolColor('rgb(255, 255, 0)');
  cornerstoneTools.toolColors.setActiveColor('rgb(0, 255, 0)');

  cornerstoneTools.store.state.touchProximity = 40;
}

cornerstoneTools.external.cornerstone = cornerstone;
  cornerstoneTools.external.Hammer = Hammer;
  cornerstoneTools.external.cornerstoneMath = cornerstoneMath;

  //
  cornerstoneTools.init();

  // Preferences
  const fontFamily =
    'Work Sans, Roboto, OpenSans, HelveticaNeue-Light, Helvetica Neue Light, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif';
  cornerstoneTools.textStyle.setFont(`16px ${fontFamily}`);
  cornerstoneTools.toolStyle.setToolWidth(2);
  cornerstoneTools.toolColors.setToolColor('rgb(255, 255, 0)');
  cornerstoneTools.toolColors.setActiveColor('rgb(0, 255, 0)');

  cornerstoneTools.store.state.touchProximity = 40;

  // IMAGE LOADER
  cornerstoneWADOImageLoader.external.cornerstone = cornerstone;
  cornerstoneWADOImageLoader.external.dicomParser = dicomParser;
  cornerstoneWADOImageLoader.webWorkerManager.initialize({
    maxWebWorkers: navigator.hardwareConcurrency || 1,
    startWebWorkersOnDemand: true,
    taskConfiguration: {
      decodeTask: {
        initializeCodecsOnStartup: false,
        usePDFJS: false,
        strict: false,
      },
    },
  });

// Set the tool font and font size
// context.font = "[style] [variant] [weight] [size]/[line height] [font family]";
const fontFamily =
  'Work Sans, Roboto, OpenSans, HelveticaNeue-Light, Helvetica Neue Light, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif';
cornerstoneTools.textStyle.setFont(`16px ${fontFamily}`);

// Set the tool width
cornerstoneTools.toolStyle.setToolWidth(2);

// Set color for inactive tools
cornerstoneTools.toolColors.setToolColor('rgb(255, 255, 0)');

// Set color for active tools
cornerstoneTools.toolColors.setActiveColor('rgb(0, 255, 0)');

cornerstoneTools.store.state.touchProximity = 40;

window.cornerstone = cornerstone;

cornerstoneWADOImageLoader.external.cornerstone = cornerstone;
cornerstoneWADOImageLoader.external.dicomParser = dicomParser;

var config = {
  maxWebWorkers: navigator.hardwareConcurrency || 1,
  startWebWorkersOnDemand: true,
  taskConfiguration: {
    decodeTask: {
      initializeCodecsOnStartup: false,
      usePDFJS: false,
      strict: false,
    },
  },

// Set the tool font and font size
// context.font = "[style] [variant] [weight] [size]/[line height] [font family]";
const fontFamily =
  'Work Sans, Roboto, OpenSans, HelveticaNeue-Light, Helvetica Neue Light, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif';
cornerstoneTools.textStyle.setFont(`16px ${fontFamily}`);

// Set the tool width
cornerstoneTools.toolStyle.setToolWidth(2);
// Set color for inactive tools
cornerstoneTools.toolColors.setToolColor('rgb(255, 255, 0)');

// Set color for active tools
cornerstoneTools.toolColors.setActiveColor('rgb(0, 255, 0)');

cornerstoneTools.store.state.touchProximity = 40;

const config = {
  maxWebWorkers: navigator.hardwareConcurrency || 1,
  startWebWorkersOnDemand: false,
  webWorkerPath:
    window.location + '/cornerstoneWADOImageLoaderWebWorker.min.js',
  webWorkerTaskPaths: [],
  taskConfiguration: {
    decodeTask: {
      loadCodecsOnStartup: true,
      initializeCodecsOnStartup: false,
      codecsPath: window.location + '/cornerstoneWADOImageLoaderCodecs.min.js',
      usePDFJS: false,
      strict: false
    }
  }

function _trySetActiveTool(element, activeToolName) {
  if (!element || !activeToolName) {
    return;
  }

  const validTools = cornerstoneTools.store.state.tools.filter(
    tool => tool.element === element
  );
  const validToolNames = validTools.map(tool => tool.name);

  if (!validToolNames.includes(activeToolName)) {
    console.warn(
      `Trying to set a tool active that is not "added". Available tools include: ${validToolNames.join(
        ', '
      )}`
    );
  }

  cornerstoneTools.setToolActiveForElement(element, activeToolName, {
    mouseButtonMask: 1,
  });
}

function addSegMetadataToCornerstoneToolState(
  segMetadata,
  toolState,
  displaySetInstanceUid
) {
  cornerstoneTools.globalImageIdSpecificToolStateManager.restoreToolState(
    toolState
  );

  const brushModule = cornerstoneTools.store.modules.brush;

  for (let i = 0; i < segMetadata.length; i++) {
    brushModule.setters.metadata(displaySetInstanceUid, i, segMetadata[i]);
  }
}

toggleAnnotations: (toggle, viewportElement) => {
      cornerstoneTools.store.state.tools.forEach(({ name }) => {
        if (toggle) {
          cornerstoneTools.setToolEnabledForElement(viewportElement, name);
        } else {
          cornerstoneTools.setToolDisabledForElement(viewportElement, name);
        }
      });
    },
    downloadBlob: (filename, fileType, viewportElement, downloadCanvas) => {