Rename getIsolationLevel() to getIsolation()

Author: trowski

src/Connection.php

@@ -17,6 +17,11 @@ interface Connection extends Link
      */
     public function getConfig(): SqlConfig;
 
+    /**
+     * @return TransactionIsolation Current transaction isolation used when beginning transactions on this connection.
+     */
+    public function getTransactionIsolation(): TransactionIsolation;
+
     /**
      * Sets the transaction isolation level for transactions began on this link.
      *

src/Transaction.php

@@ -11,7 +11,7 @@
  */
 interface Transaction extends Link
 {
-    public function getIsolationLevel(): TransactionIsolation;
+    public function getIsolation(): TransactionIsolation;
 
     /**
      * @return bool True if the transaction is active, false if it has been committed or rolled back.