code: function BasicQuery(query) {
  	assign(this, query);
  	if (!this.filter) {
  		this.filter = set.UNIVERSAL;
  	}
  	if (!this.page) {
  		this.page = new RecordRange();
  	}
  	if (!this.sort) {
  		this.sort = "id";
  	}
  	if (typeof this.sort === "string") {
  		this.sort = new DefaultSort(this.sort);
  	}
  }
docs: Define the BasicQuery type