Emitted when --find-dead-code is turned on and Psalm cannot find any uses of a
given private method or function.
If this method is used and part of the public API, annotate the containing class
with @psalm-api.
<?php
class A {
public function __construct() {
$this->foo();
}
private function foo() : void {}
private function bar() : void {}
}
$a = new A();