Firestore/src/Admin/V1/Index/IndexField.php
public function setArrayConfig($var)
    {
        GPBUtil::checkEnum($var, \Google\Cloud\Firestore\Admin\V1\Index_IndexField_ArrayConfig::class);
        $this->writeOneof(3, $var);

        return $this;
    }
public function setArrayConfig($var)
    {
        GPBUtil::checkEnum($var, \Google\Cloud\Firestore\Admin\V1\Index_IndexField_ArrayConfig::class);
        $this->writeOneof(3, $var);

        return $this;
    }
public function setArrayConfig ( $ var ) { GPBUtil :: checkEnum ( $ var , \ Google \ Cloud \ Firestore \ Admin \ V1 \ Index_IndexField_ArrayConfig :: class ) ; $ this -> writeOneof ( 3 , $ var ) ; return $ this ; }
Indicates that this field supports operations on `array_value`s.

Generated from protobuf field <code>.google.firestore.admin.v1.Index.IndexField.ArrayConfig array_config = 3;</code>
@param int $var
@return $this
Indicates that this field supports operations on array_value s .