Cosmic model file which contains two classes

cosmic.model.ts

export class registerModel {   
   _id: string;
   username: string;
   email: string;
   password: string;
   fullName: string;
   imageUrl: string;
}

export class blogModel {   
   _id: string;
   title: string;
   content: string;
   author: string;
   description: string;
   blogImage: string;
}