add sync method

Author: abr-egn

src/sync/db.rs

@@ -219,6 +219,28 @@ impl Database {
         ))
     }
 
+    /// Creates a new collection with encrypted fields, automatically creating new data encryption
+    /// keys when needed based on the configured [`CreateCollectionOptions::encrypted_fields`].
+    ///
+    /// Returns the potentially updated `encrypted_fields` along with status, as keys may have been
+    /// created even when a failure occurs.
+    ///
+    /// Does not affect any auto encryption settings on existing MongoClients that are already
+    /// configured with auto encryption.
+    #[cfg(feature = "in-use-encryption-unstable")]
+    pub fn create_encrypted_collection(
+        &self,
+        ce: &crate::client_encryption::ClientEncryption,
+        name: impl AsRef<str>,
+        options: impl Into<Option<CreateCollectionOptions>>,
+        master_key: crate::client_encryption::MasterKey,
+    ) -> (Document, Result<()>) {
+        runtime::block_on(
+            self.async_database
+                .create_encrypted_collection(ce, name, options, master_key),
+        )
+    }
+
     /// Runs a database-level command.
     ///
     /// Note that no inspection is done on `doc`, so the command will not use the database's default