Inline single use interfaces

src/file/relationships/attributes.ts

@@ -1,10 +1,8 @@
 import { XmlAttributeComponent } from "file/xml-components";
 
-export interface IRelationshipsAttributesProperties {
+export class RelationshipsAttributes extends XmlAttributeComponent<{
     readonly xmlns: string;
-}
-
-export class RelationshipsAttributes extends XmlAttributeComponent<IRelationshipsAttributesProperties> {
+}> {
     protected readonly xmlKeys = {
         xmlns: "xmlns",
     };