https://developers.google.com/apps-script/reference/spreadsheet/sort-spec
Class SortSpec | Apps Script | Google for Developers
Learn how to use Apps Script Class SortSpec. The sorting specification.
apps scriptclassgoogledevelopers
https://docs.oracle.com/cd/E38679_01/ToolsAndFrameworks.311/apidoc/javadoc/assembler/com/endeca/infront/navigation/model/class-use/SortSpec.html
Uses of Class com.endeca.infront.navigation.model.SortSpec (Endeca Assembler 3.1.1 API)