public int LA(final int index) {
		final var token = LT(index);
		return token != null ? token.type().code() : Type.EOF.code();
	}
Return the token type code for the given lookahead index.

@param index lookahead index
@return the token type code for the given lookahead index
jenetics.ext/src/main/java/io/jenetics/ext/internal/parser/TokenParser.java