public void addChecker(Object constant, Object goodValue) {
        checkers.add(new Checker(constant, goodValue));
    }
Creates a verifier app state that will check all of the specified
 checks and report errors using the specified error type.

@param errorType the mechanism to use
@param checkers which checks to perform
jme3-core/src/main/java/com/jme3/app/state/ConstantVerifierState.java