143     public function sync(int $i) : bool  argument
145         $n = $i - \count($this->tokens) + 1; // how many more elements we need?
162         for ($i = 0; $i < $n; $i++) {
172                 return $i + 1;
196     public function LA(int $i) : int  argument
198         $token = $this->LT($i);
224         $i = $this->index + $k - 1;
226         $this->sync($i);
228         if ($i >= \count($this->tokens)) {
234         return $this->tokens[$i];
247      * @param int $i The target token index.
251     public function adjustSeekIndex(int $i) : int  argument
253         return $i;
307         for ($i = $start; $i < $stop; $i++) {
308             $t = $this->tokens[$i];
327     protected function nextTokenOnChannel(int $i, int $channel) : int  argument
329         $this->sync($i);
331         if ($i >= \count($this->tokens)) {
335         $token = $this->tokens[$i];
338                 return $i;
341             $i++;
343             $this->sync($i);
345             $token = $this->tokens[$i];
348         return $i;
360     protected function previousTokenOnChannel(int $i, int $channel) : int  argument
362         while ($i >= 0 && $this->tokens[$i]->getChannel() !== $channel) {
363             $i--;
366         return $i;
426         for ($i = $left; $i < $right + 1; $i++) {
427             $t = $this->tokens[$i];
469         for ($i = $interval->start; $i <= $stop; $i++) {
470             $t = $this->tokens[$i];