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-rw-r--r--framework/Collections/TMap.php1
1 files changed, 1 insertions, 0 deletions
diff --git a/framework/Collections/TMap.php b/framework/Collections/TMap.php
index 3a83fa4c..3ebffbe6 100644
--- a/framework/Collections/TMap.php
+++ b/framework/Collections/TMap.php
@@ -13,6 +13,7 @@ namespace Prado\Collections;
use Prado\Exceptions\TInvalidDataTypeException;
use Prado\Exceptions\TInvalidOperationException;
use Prado\TPropertyValue;
+use Traversable;
/**
* TMap class