Remove Leftover mentions of the sync method

.ci_extras/remove-examples-msrv.sh

@@ -4,7 +4,7 @@
 
 set -eux
 
-function disable_example_sync() {
+function disable_example() {
     local example_name="$1"
 
     mv ./examples/${example_name}.rs ./examples/${example_name}.rs.bak
@@ -18,4 +18,4 @@ EOF
 }
 
 # `OnceLock` was introduced in 1.70.0.
-# disable_example_sync reinsert_expired_entries_sync
+# disable_example reinsert_expired_entries_sync

src/sync/cache.rs

@@ -643,8 +643,8 @@ impl<K, V, S> Cache<K, V, S> {
     ///
     /// The value returned is _an estimate_; the actual count may differ if there are
     /// concurrent insertions or removals, or if some entries are pending removal due
-    /// to expiration. This inaccuracy can be mitigated by performing a `sync()`
-    /// first.
+    /// to expiration. This inaccuracy can be mitigated by performing a
+    /// `run_pending_tasks` first.
     ///
     /// # Example
     ///
@@ -680,8 +680,9 @@ impl<K, V, S> Cache<K, V, S> {
     ///
     /// The value returned is _an estimate_; the actual size may differ if there are
     /// concurrent insertions or removals, or if some entries are pending removal due
-    /// to expiration. This inaccuracy can be mitigated by performing a `sync()`
-    /// first. See [`entry_count`](#method.entry_count) for a sample code.
+    /// to expiration. This inaccuracy can be mitigated by performing a
+    /// `run_pending_tasks` first. See [`entry_count`](#method.entry_count) for a
+    /// sample code.
     pub fn weighted_size(&self) -> u64 {
         self.base.weighted_size()
     }

src/sync/segment.rs

@@ -143,8 +143,8 @@ impl<K, V, S> SegmentedCache<K, V, S> {
     ///
     /// The value returned is _an estimate_; the actual count may differ if there are
     /// concurrent insertions or removals, or if some entries are pending removal due
-    /// to expiration. This inaccuracy can be mitigated by performing a `sync()`
-    /// first.
+    /// to expiration. This inaccuracy can be mitigated by performing a
+    /// `run_pending_tasks` first.
     ///
     /// # Example
     ///
@@ -184,8 +184,9 @@ impl<K, V, S> SegmentedCache<K, V, S> {
     ///
     /// The value returned is _an estimate_; the actual size may differ if there are
     /// concurrent insertions or removals, or if some entries are pending removal due
-    /// to expiration. This inaccuracy can be mitigated by performing a `sync()`
-    /// first. See [`entry_count`](#method.entry_count) for a sample code.
+    /// to expiration. This inaccuracy can be mitigated by performing a
+    /// `run_pending_tasks` first. See [`entry_count`](#method.entry_count) for a
+    /// sample code.
     pub fn weighted_size(&self) -> u64 {
         self.inner
             .segments
@@ -634,15 +635,6 @@ where
             segment.run_pending_tasks();
         }
     }
-
-    // /// This is used by unit tests to get consistent result.
-    // #[cfg(test)]
-    // pub(crate) fn reconfigure_for_testing(&mut self) {
-    //     // Stop the housekeeping job that may cause sync() method to return earlier.
-    //     for segment in self.inner.segments.iter_mut() {
-    //         segment.reconfigure_for_testing()
-    //     }
-    // }
 }
 
 impl<'a, K, V, S> IntoIterator for &'a SegmentedCache<K, V, S>