MicroFocus.COBOL.RuntimeServices assembly (displayed as the Micro Focus Runtime (Interop RuntimeServices) when adding the assembly as a reference to your projects) provides the following classes:

A MicroFocus.COBOL.RuntimeServices.chm file is installed in the Help folder of your installation. The default location is %ProgramFiles(x86)%\Micro Focus\Visual COBOL\Help. To open the CHM file, double-click MicroFocus.COBOL.RuntimeServices.chm in Windows Explorer.

If you have installed the local product Help, the Help for the MicroFocus.COBOL.RuntimeServices assembly is installed in the Visual Studio Help Viewer and is accessible through the search option.