@Override
		public Collection<String> getSuggestions(String got, AssemblyNumericSymbols symbols) {
			return Collections.singleton(" ");
		}
A "whitespace" terminal

<p>
This terminal represents "optional" whitespace. "Optional" because in certain circumstances,
whitespace is not actually required, i.e., before or after a special character.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/app/plugin/assembler/sleigh/grammars/AssemblySentential.java