public StringValue defineString(String name) {
		checkDup(name);
		StringValue value = new StringValue(name, null);
		valuesMap.put(name, value);
		return value;
	}
Defines a value of type String.
@param name the name for this value
@return the new StringValue that was defined
Ghidra/Framework/Docking/src/main/java/docking/widgets/values/GValuesMap.java