fix: typings

src/filter/filter-clause.d.ts

@@ -43,9 +43,9 @@ export declare type ItemFilterClause = Pick<FilterClause, 'fields' | 'include'>;
  * ```
  */
 export declare type WhereClause =
-  | PropertiesClause
-  | AndClause
-  | OrClause;
+  & PropertiesClause
+  & AndClause
+  & OrClause;
 
 /**
  * Properties clause.