pub fn as_pin_mut(
        &mut self,
    ) -> Pin<&mut (dyn MessageBody<Error = Box<dyn StdError>>)> {
        self.0.as_mut()
    }
/// Returns a mutable pinned reference to the inner message body type.
Returns a mutable pinned reference to the inner message body type.
Returns a mutable pinned reference to the inner message body type .
pub fn as_pin_mut(
        &mut self,
    ) -> Pin<&mut (dyn MessageBody<Error = Box<dyn StdError>>)> {
        self.0.as_mut()
    }
pub fn as_pin_mut ( & mut self , ) -> Pin < & mut ( dyn MessageBody < Error = Box < dyn StdError > > ) > { self . 0 . as_mut ( ) }
Returns a mutable pinned reference to the inner message body type.
Returns a mutable pinned reference to the inner message body type .
&mut self