src/LightSaml/Model/Metadata/EntityDescriptor.php
public function setID($id)
    {
        $this->id = null !== $id ? (string) $id : null;

        return $this;
    }
public function setID($id)
    {
        $this->id = null !== $id ? (string) $id : null;

        return $this;
    }
@param string|null $id

@return EntityDescriptor