refactor(replication): move object compare contracts (#4171)

crates/replication/src/lib.rs

@@ -15,6 +15,7 @@
 pub mod config;
 pub mod delete;
 pub mod mrf;
+pub mod object;
 pub mod operation;
 pub mod queue;
 pub mod resync;
@@ -29,6 +30,10 @@ pub use delete::{
     should_retry_delete_marker_purge,
 };
 pub use mrf::{MrfOpKind, MrfReplicateEntry, decode_mrf_file, encode_mrf_file};
+pub use object::{
+    ReplicationSourceObject, ReplicationTargetObject, content_matches_by_etag, replication_action_for_target,
+    target_is_newer_than_source_null_version,
+};
 pub use operation::{MustReplicateOptions, is_ssec_encrypted};
 pub use queue::{ReplicationHealQueueResult, ReplicationOperation, ReplicationPriority, ReplicationQueueAdmission};
 pub use resync::{