Remove unused Collection constants and methods

Author: jmikola

src/Collection.php

@@ -43,9 +43,6 @@ class Collection
     //self::QUERY_FLAG_TAILABLE_CURSOR | self::QUERY_FLAG_AWAIT_DATA;
     const CURSOR_TYPE_TAILABLE_AWAIT = 0x22;
 
-    const FIND_ONE_AND_RETURN_BEFORE = 0x01;
-    const FIND_ONE_AND_RETURN_AFTER  = 0x02;
-
     protected $manager;
     protected $ns;
     protected $wc;
@@ -838,19 +835,6 @@ final protected function _delete($filter, $limit = 1)
         return $this->manager->executeBulkWrite($this->ns, $bulk, $this->wc);
     }
 
-    /**
-     * Internal helper for throwing an exception with error message
-     * @internal
-     */
-    final protected function _generateCommandException($doc)
-    {
-        if ($doc["errmsg"]) {
-            return new RuntimeException($doc["errmsg"]);
-        }
-        var_dump($doc);
-        return new RuntimeException("FIXME: Unknown error");
-    }
-
     /**
      * Constructs the Query Wire Protocol field 'flags' based on $options
      * provided to other helpers
@@ -871,17 +855,6 @@ final protected function _opQueryFlags($options)
         return $flags;
     }
 
-    /**
-     * Internal helper for running a command
-     * @internal
-     */
-    final protected function _runCommand($dbname, array $cmd, ReadPreference $rp = null)
-    {
-        //var_dump(\BSON\toJSON(\BSON\fromArray($cmd)));
-        $command = new Command($cmd);
-        return $this->manager->executeCommand($dbname, $command, $rp);
-    }
-
     /**
      * Internal helper for replacing/updating one/many documents
      * @internal