static String convertToString(JsonElement element) {
		if (isNull(element)) {
			return null;
		}
		return element.getAsString();
	}
Get String held by a JsonElement, allowing for a null object.
@param element is the JsonElement or null
@return the underlying String or null
Ghidra/Features/BSim/src/main/java/ghidra/features/bsim/query/elastic/ElasticConnection.java