async getMapping(request) {
    const { index, collection } = request.getIndexAndCollection(),
      includeKuzzleMeta = request.getBoolean("includeKuzzleMeta");

    const mapping = await this.ask(
      "core:storage:public:mappings:get",
      index,
      collection,
      { includeKuzzleMeta },
    );

    return this._filterMappingResponse(mapping);
  }
Get the collection mapping

@param {Request} request
@returns {Promise.<Object>}