jodd-proxetta/src/main/java/jodd/proxetta/ProxettaFactory.java
protected String resolveClassNameSuffix() {
		String classNameSuffix = proxetta.getClassNameSuffix();

		if (classNameSuffix == null) {
			return null;
		}

		if (!proxetta.isVariableClassName()) {
			return classNameSuffix;
		}

		suffixCounter++;
		return classNameSuffix + suffixCounter;
	}
protected String resolveClassNameSuffix() {
		String classNameSuffix = proxetta.getClassNameSuffix();

		if (classNameSuffix == null) {
			return null;
		}

		if (!proxetta.isVariableClassName()) {
			return classNameSuffix;
		}

		suffixCounter++;
		return classNameSuffix + suffixCounter;
	}
Returns new suffix or <code>null</code> if suffix is not in use.