WordPress at a glance
function is not described

Symfony\Component\CssSelector\Parser

TokenStream::freeze() public WC 1.0

Freezes stream.

{} It's a method of the class: TokenStream{}

No Hooks.

Return

$this. Nothing.

Usage

$TokenStream = new TokenStream();
$TokenStream->freeze();

Code of TokenStream::freeze() WC 5.4.1

<?php
public function freeze()
{
    $this->frozen = true;

    return $this;
}