PHPDoc tag @param has invalid value (\Closure(...):T $closure): Unexpected token "(", expected variable at offset 255

Template type T of method thebigcrafter\Hydrogen\Hydrogen::async() is not referenced in a parameter.

PHPDoc tag @param has invalid value (\Closure(CancelledException) $callback Callback to be invoked on a cancellation request. Will receive a `CancelledException` as first argument that may be used to fail the operation.): Unexpected token "(", expected variable at offset 265

PHPDoc tag @throws with type thebigcrafter\Hydrogen\exceptions\CancelledException is not subtype of Throwable

Parameter #1 $result of method thebigcrafter\Hydrogen\future\FutureState::complete() expects thebigcrafter\Hydrogen\future\T, Tv given.

PHPDoc tag @var for variable $state contains generic type thebigcrafter\Hydrogen\future\FutureState<never> but class thebigcrafter\Hydrogen\future\FutureState is not generic.

PHPDoc tag @var for property thebigcrafter\Hydrogen\future\Future::$state contains generic type thebigcrafter\Hydrogen\future\FutureState<mixed> but class thebigcrafter\Hydrogen\future\FutureState is not generic.

PHPDoc tag @param for parameter $state contains generic type thebigcrafter\Hydrogen\future\FutureState<mixed> but class thebigcrafter\Hydrogen\future\FutureState is not generic.

Parameter #1 $result of method thebigcrafter\Hydrogen\future\FutureState::complete() expects thebigcrafter\Hydrogen\future\T, Tr given.