public boolean skipWhitespace() {
        if (current() == null) return false;
        boolean is = isWhitespace();
        if (is)
            i++;
        return is;
    }
Advances beyond the next token, if it is whitespace.

@return true if the current token was of the given type and we advanced it, false
if it was not and nothing was changed
integration/intellij/src/main/java/ai/vespa/intellij/schema/utils/Tokens.java