#[cfg(feature = "tokio")]
pub type Mutex<T> = tokio::sync::Mutex<T>;

#[cfg(feature = "tokio")]
pub type OwnedMutexGuard<T> = tokio::sync::OwnedMutexGuard<T>;

#[cfg(feature = "tokio")]
pub type Semaphore = tokio::sync::Semaphore;

#[cfg(feature = "tokio")]
pub type OwnedSemaphorePermit = tokio::sync::OwnedSemaphorePermit;