text: import addDocument from './add-document';
  import addDocuments from './add-documents';
  import updateDocument from './update-document';
  import updateDocuments from './update-documents';
  import removeDocument from './remove-document';
  import removeDocuments from './remove-documents';
  import listenCollection from './listen-collection';
  
  export {
      addDocument,
      addDocuments,
      updateDocument,
      updateDocuments,
      removeDocument,
      removeDocuments,
      listenCollection,
  };
  