Debugger/src/V2/StatusMessage.php
public function setRefersTo($var)
    {
        GPBUtil::checkEnum($var, \Google\Cloud\Debugger\V2\StatusMessage_Reference::class);
        $this->refers_to = $var;

        return $this;
    }
public function setRefersTo($var)
    {
        GPBUtil::checkEnum($var, \Google\Cloud\Debugger\V2\StatusMessage_Reference::class);
        $this->refers_to = $var;

        return $this;
    }
public function setRefersTo ( $ var ) { GPBUtil :: checkEnum ( $ var , \ Google \ Cloud \ Debugger \ V2 \ StatusMessage_Reference :: class ) ; $ this -> refers_to = $ var ; return $ this ; }
Reference to which the message applies.

Generated from protobuf field <code>.google.devtools.clouddebugger.v2.StatusMessage.Reference refers_to = 2;</code>
@param int $var
@return $this
Reference to which the message applies .