whole_func_string: function (path) {
      const url = 'https://api.dropboxapi.com/2/files/delete';
      const requestBody = { path: getDropboxPath(path) };
  
      return this._request('POST', url, { body: requestBody }).then((response) => {
        if (response.status !== 200 && response.status !== 409) {
          return Promise.resolve({statusCode: response.status});
        }
  
        var responseBody = response.responseText;
  
        try {
          responseBody = JSON.parse(responseBody);
        } catch (e) {
          return Promise.reject(new Error('Invalid response body: ' + responseBody));
        }
  
        if (response.status === 409) {
          if (compareApiError(responseBody, ['path_lookup', 'not_found'])) {
            return Promise.resolve({statusCode: 404});
          }
          return Promise.reject(new Error('API error: ' + responseBody.error_summary));
        }
  
        return Promise.resolve({statusCode: 200});
      }).then((result) => {
        if (result.statusCode === 200 || result.statusCode === 404) {
          this._revCache.delete(path);
          delete this._itemRefs[path];
        }
        return Promise.resolve(result);
      }, (error) => {
        error.message = 'Could not delete Dropbox file or folder ("' + path + '"): ' + error.message;
        return Promise.reject(error);
      });
    }
func_code_string: function (path) {
      const url = 'https://api.dropboxapi.com/2/files/delete';
      const requestBody = { path: getDropboxPath(path) };
  
      return this._request('POST', url, { body: requestBody }).then((response) => {
        if (response.status !== 200 && response.status !== 409) {
          return Promise.resolve({statusCode: response.status});
        }
  
        var responseBody = response.responseText;
  
        try {
          responseBody = JSON.parse(responseBody);
        } catch (e) {
          return Promise.reject(new Error('Invalid response body: ' + responseBody));
        }
  
        if (response.status === 409) {
          if (compareApiError(responseBody, ['path_lookup', 'not_found'])) {
            return Promise.resolve({statusCode: 404});
          }
          return Promise.reject(new Error('API error: ' + responseBody.error_summary));
        }
  
        return Promise.resolve({statusCode: 200});
      }).then((result) => {
        if (result.statusCode === 200 || result.statusCode === 404) {
          this._revCache.delete(path);
          delete this._itemRefs[path];
        }
        return Promise.resolve(result);
      }, (error) => {
        error.message = 'Could not delete Dropbox file or folder ("' + path + '"): ' + error.message;
        return Promise.reject(error);
      });
    }
func_documentation_string: Deletes a file or a folder.
  
  @param {string} path - the path to delete
  
  @returns {Promise} A promise for an object with the following structure:
  statusCode - HTTP status code
  
  @private