feat: add models package

packages/models/src/Domain/Abstract/Payload/Interfaces/DeletedPayload.ts

@@ -0,0 +1,15 @@
+import { DeletedTransferPayload } from '../../TransferPayload'
+import { PayloadInterface } from './PayloadInterface'
+
+export interface DeletedPayloadInterface extends PayloadInterface<DeletedTransferPayload> {
+  readonly deleted: true
+  readonly content: undefined
+
+  /**
+   * Whether a payload can be discarded and removed from storage.
+   * This value is true if a payload is marked as deleted and not dirty.
+   */
+  discardable: boolean | undefined
+
+  ejected(): DeletedTransferPayload
+}