public void skipChars(final int n) throws VcsException {
    if (n < 0) {
      throw new IllegalArgumentException("Amount of chars to skip must be non neagitve: " + n);
    }
    if (myPosition + n >= myText.length()) {
      throw unexpectedTextEndException(myPosition);
    }
    myPosition += n;
  }
public void skipChars(final int n)