Vendor dependencies for 0.3.0 release

vendor/erased-serde/src/private.rs

@@ -0,0 +1,20 @@
+//! Not public API. Used as `$crate::__private` by macros.
+
+#[doc(hidden)]
+pub mod serde {
+    #[doc(hidden)]
+    pub use serde::*;
+}
+
+#[doc(hidden)]
+pub use core::marker::{Send, Sized, Sync};
+
+#[doc(hidden)]
+pub type Result<T, E> = core::result::Result<T, E>;
+
+#[doc(hidden)]
+pub fn require_erased_serialize_impl<T>()
+where
+    T: ?Sized + crate::Serialize,
+{
+}