code: function ImmutableCoreModelCacheQuerySelect (args) {
      // store args
      this.cache = args.cache
      this.query = args.query
      // init properties
      this.cached = null
      this.selectCacheKey = this.cacheKey()
  }
docs: @function ImmutableCoreModelCacheQuerySelect
  
  instantiate new ImmutableCoreModelCacheQuerySelect instance
  
  @param {object} args
  @param {ImmutableCoreModelCache} args.cache
  @param {ImmutableCoreModelQuery} args.query
  
  @returns {ImmutableCoreModelCache}