Firestore/src/Admin/V1/ExportDocumentsMetadata.php
public function setCollectionIds($var)
    {
        $arr = GPBUtil::checkRepeatedField($var, \Google\Protobuf\Internal\GPBType::STRING);
        $this->collection_ids = $arr;

        return $this;
    }
public function setCollectionIds($var)
    {
        $arr = GPBUtil::checkRepeatedField($var, \Google\Protobuf\Internal\GPBType::STRING);
        $this->collection_ids = $arr;

        return $this;
    }
public function setCollectionIds ( $ var ) { $ arr = GPBUtil :: checkRepeatedField ( $ var , \ Google \ Protobuf \ Internal \ GPBType :: STRING ) ; $ this -> collection_ids = $ arr ; return $ this ; }
Which collection ids are being exported.

Generated from protobuf field <code>repeated string collection_ids = 6;</code>
@param string[]|\Google\Protobuf\Internal\RepeatedField $var
@return $this
Which collection ids are being exported .