jodd-lagarto/src/main/java/jodd/csselly/selector/PseudoFunctionSelector.java
public static PseudoFunction<?> lookupPseudoFunction(final String pseudoFunctionName) {
		PseudoFunction pseudoFunction = PSEUDO_FUNCTION_MAP.get(pseudoFunctionName);
		if (pseudoFunction == null) {
			throw new CSSellyException("Unsupported pseudo function: " + pseudoFunctionName);
		}
		return pseudoFunction;
	}
public static PseudoFunction<?> lookupPseudoFunction(final String pseudoFunctionName) {
		PseudoFunction pseudoFunction = PSEUDO_FUNCTION_MAP.get(pseudoFunctionName);
		if (pseudoFunction == null) {
			throw new CSSellyException("Unsupported pseudo function: " + pseudoFunctionName);
		}
		return pseudoFunction;
	}
Lookups pseudo function for given pseudo function name.