Synced resources - proof of concept

src/Contracts/SyncMaster.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace Stancl\Tenancy\Contracts;
+
+use Illuminate\Database\Eloquent\Collection;
+
+// todo rename?
+/**
+ * @property-read Tenant[]|Collection $tenants
+ */
+interface SyncMaster extends Syncable
+{
+    public function tenants(); // Probably should return BelongsToMany
+}

src/Contracts/Syncable.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace Stancl\Tenancy\Contracts;
+
+// todo add comments
+interface Syncable
+{
+    public function getGlobalIdentifierKeyName(): string;
+    public function getGlobalIdentifierKey(): string;
+    public function getCentralModelName(): string;
+    public function getSyncedAttributeNames(): array;
+}