src/main/java/org/valid4j/Assertive.java
public static Error neverGetHereError(String msg, Object... values) {
    getProvider().neverGetHerePolicy().neverGetHere(NO_CAUSE, describing(msg, values));
    return DEFAULT_ERROR;
  }
public static Error neverGetHereError(String msg, Object... values) {
    getProvider().neverGetHerePolicy().neverGetHere(NO_CAUSE, describing(msg, values));
    return DEFAULT_ERROR;
  }
Unreachable code have been reached. This is
considered to be a programming error.

@param msg    message {@link java.lang.String#format format string}
@param values values passed into the msg format string
@return an error