1 files changed, 3 insertions, 0 deletions
diff --git a/cli/npm/resolvers/common.rs b/cli/npm/resolvers/common.rs
index 508b783c9..7769d2322 100644
--- a/cli/npm/resolvers/common.rs
+++ b/cli/npm/resolvers/common.rs
@@ -10,6 +10,7 @@ use deno_core::futures;
 use deno_core::futures::future::BoxFuture;
 use deno_core::url::Url;
 
+use crate::npm::resolution::NpmResolutionSnapshot;
 use crate::npm::NpmCache;
 use crate::npm::NpmPackageReq;
 use crate::npm::NpmResolutionPackage;
@@ -39,6 +40,8 @@ pub trait InnerNpmPackageResolver: Send + Sync {
   ) -> BoxFuture<'static, Result<(), AnyError>>;
 
   fn ensure_read_permission(&self, path: &Path) -> Result<(), AnyError>;
+
+  fn snapshot(&self) -> NpmResolutionSnapshot;
 }
 
 /// Caches all the packages in parallel.