Write tests

src/file/content-types/content-types-attributes.ts

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

src/file/content-types/default/default-attributes.ts

@@ -1,11 +1,9 @@
 import { XmlAttributeComponent } from "file/xml-components";
 
-export interface IDefaultAttributes {
+export class DefaultAttributes extends XmlAttributeComponent<{
     readonly contentType: string;
     readonly extension?: string;
-}
-
-export class DefaultAttributes extends XmlAttributeComponent<IDefaultAttributes> {
+}> {
     protected readonly xmlKeys = {
         contentType: "ContentType",
         extension: "Extension",

src/file/content-types/override/override-attributes.ts

@@ -1,11 +1,9 @@
 import { XmlAttributeComponent } from "file/xml-components";
 
-export interface IOverrideAttributes {
+export class OverrideAttributes extends XmlAttributeComponent<{
     readonly contentType: string;
     readonly partName?: string;
-}
-
-export class OverrideAttributes extends XmlAttributeComponent<IOverrideAttributes> {
+}> {
     protected readonly xmlKeys = {
         contentType: "ContentType",
         partName: "PartName",