Add accessor to getter and setters

src/file/document/body/body.ts

@@ -49,7 +49,7 @@ export class Body extends XmlComponent {
         this.root.push(component);
     }
 
-    get DefaultSection(): SectionProperties {
+    public get DefaultSection(): SectionProperties {
         return this.defaultSection;
     }
 

src/file/document/body/section-properties/section-properties.ts

@@ -86,7 +86,7 @@ export class SectionProperties extends XmlComponent {
         this.options = mergedOptions;
     }
 
-    get Options(): SectionPropertiesOptions {
+    public get Options(): SectionPropertiesOptions {
         return this.options;
     }
 }

src/file/document/document.ts

@@ -57,7 +57,7 @@ export class Document extends XmlComponent {
         return table;
     }
 
-    get Body(): Body {
+    public get Body(): Body {
         return this.body;
     }
 }