Firestore/src/Admin/V1/ExportDocumentsMetadata.php
public function setOperationState($var)
    {
        GPBUtil::checkEnum($var, \Google\Cloud\Firestore\Admin\V1\OperationState::class);
        $this->operation_state = $var;

        return $this;
    }
public function setOperationState($var)
    {
        GPBUtil::checkEnum($var, \Google\Cloud\Firestore\Admin\V1\OperationState::class);
        $this->operation_state = $var;

        return $this;
    }
public function setOperationState ( $ var ) { GPBUtil :: checkEnum ( $ var , \ Google \ Cloud \ Firestore \ Admin \ V1 \ OperationState :: class ) ; $ this -> operation_state = $ var ; return $ this ; }
The state of the export operation.

Generated from protobuf field <code>.google.firestore.admin.v1.OperationState operation_state = 3;</code>
@param int $var
@return $this
The state of the export operation .