public long getRegisterIndex() {
		return ((DataHighLevelShaderLanguageSymbolInternals32Extended) internals).getRegisterIndex();
	}
Return the register index.
@return the register index.
Ghidra/Features/PDB/src/main/java/ghidra/app/util/bin/format/pdb2/pdbreader/symbol/LocalDataHLSL32ExtMsSymbol.java