From 047f4d05f15b92de6eea9682f8295e47912fc4ba Mon Sep 17 00:00:00 2001
From: Isabel Atkinson <isabel.atkinson@mongodb.com>
Date: Thu, 6 Nov 2025 14:29:43 -0700
Subject: [PATCH] add method

---
 mongocrypt/src/ctx.rs | 4 ++--
 mongocrypt/src/lib.rs | 9 +++++++++
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/mongocrypt/src/ctx.rs b/mongocrypt/src/ctx.rs
index e0074c6..95a1da7 100644
--- a/mongocrypt/src/ctx.rs
+++ b/mongocrypt/src/ctx.rs
@@ -533,7 +533,7 @@ impl Ctx {
     }
 
     /// Create a scope guard that provides handles to pending KMS requests.
-    pub fn kms_scope(&mut self) -> KmsScope {
+    pub fn kms_scope(&mut self) -> KmsScope<'_> {
         KmsScope { ctx: self }
     }
 
@@ -651,7 +651,7 @@ impl<'ctx> KmsScope<'ctx> {
     ///
     /// If KMS handles are being handled synchronously, the driver can reuse the same
     /// TLS socket to send HTTP requests and receive responses.
-    pub fn next_kms_ctx(&self) -> Option<KmsCtx> {
+    pub fn next_kms_ctx(&self) -> Option<KmsCtx<'_>> {
         let inner = unsafe { sys::mongocrypt_ctx_next_kms_ctx(*self.ctx.inner.borrow()) };
         if inner.is_null() {
             return None;
diff --git a/mongocrypt/src/lib.rs b/mongocrypt/src/lib.rs
index c37feea..c84a75c 100644
--- a/mongocrypt/src/lib.rs
+++ b/mongocrypt/src/lib.rs
@@ -236,6 +236,15 @@ impl CryptBuilder {
         self
     }
 
+    /// Enable support for multiple collection schemas. Required to support $lookup.
+    pub fn enable_multiple_collinfo(self) -> Result<Self> {
+        let ok = unsafe { sys::mongocrypt_setopt_enable_multiple_collinfo(*self.inner.borrow()) };
+        if !ok {
+            return Err(self.status().as_error());
+        }
+        Ok(self)
+    }
+
     /// Opt-into skipping query analysis.
     ///
     /// If opted in: