Remove unneeded "use" imports.

src/Command/Processor/ProcessorChain.php

@@ -11,9 +11,6 @@
 
 namespace Predis\Command\Processor;
 
-use ArrayAccess;
-use ArrayIterator;
-use InvalidArgumentException;
 use Predis\Command\CommandInterface;
 
 /**
@@ -21,7 +18,7 @@ use Predis\Command\CommandInterface;
  *
  * @author Daniele Alessandri <suppakilla@gmail.com>
  */
-class ProcessorChain implements ArrayAccess, ProcessorInterface
+class ProcessorChain implements \ArrayAccess, ProcessorInterface
 {
     private $processors = array();
 
@@ -74,11 +71,11 @@ class ProcessorChain implements ArrayAccess, ProcessorInterface
     /**
      * Returns an iterator over the list of command processor in the chain.
      *
-     * @return ArrayIterator
+     * @return \ArrayIterator
      */
     public function getIterator()
     {
-        return new ArrayIterator($this->processors);
+        return new \ArrayIterator($this->processors);
     }
 
     /**
@@ -113,7 +110,7 @@ class ProcessorChain implements ArrayAccess, ProcessorInterface
     public function offsetSet($index, $processor)
     {
         if (!$processor instanceof ProcessorInterface) {
-            throw new InvalidArgumentException(
+            throw new \InvalidArgumentException(
                 'A processor chain accepts only instances of '.
                 "'Predis\Command\Processor\ProcessorInterface'."
             );