getCursors() {
    const cursors = {};

    Object.keys(this.mapping).forEach(k => {
      const path = this.mapping[k];

      if (path instanceof Cursor)
        cursors[k] = path;
      else
        cursors[k] = this.tree.select(path);
    });

    return cursors;
  }
Method used to return a map of the watcher's cursors.

@return {object} - TMap of relevant cursors.