@Override
		public String getRepresentation() {
			return String.format("Processor %d AssemblyRef: %s", processor,
				getRowRepresentationSafe(CliTypeTable.AssemblyRef, assemblyRefIndex));
		}
Describes the AssemblyRefProcessor table. Apparently it is ignored by the CLI and shouldn't be present in an assembly.
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/pe/cli/tables/CliTableAssemblyRefProcessor.java