public FunctionDefinition getBootstrapFunctionDefintion(String funcName) {
		if (archiveDTM != null) {
			DataType dt =
				archiveDTM.getDataType(GoConstants.GOLANG_BOOTSTRAP_FUNCS_CATEGORYPATH, funcName);
			return dt instanceof FunctionDefinition funcDef ? funcDef : null;
		}
		return null;
	}
Returns a {@link FunctionDefinition} for a built-in golang runtime function.

@param funcName name of function
@return {@link FunctionDefinition}, or null if not found in bootstrap gdt
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/golang/rtti/GoRttiMapper.java