src/Helper/MapHelper.php
public function setExtensionHelpers(array $extensionHelpers)
    {
        $this->extensionHelpers = array();

        foreach ($extensionHelpers as $name => $extensionHelper) {
            $this->setExtensionHelper($name, $extensionHelper);
        }
    }
public function setExtensionHelpers(array $extensionHelpers)
    {
        $this->extensionHelpers = array();

        foreach ($extensionHelpers as $name => $extensionHelper) {
            $this->setExtensionHelper($name, $extensionHelper);
        }
    }
Sets the map extension helpers.

@param array $extensionHelpers The map extension helpers.