added flow support for Connector.js

declarations/Structs.js

@@ -12,6 +12,7 @@ type Struct = {
   struct: 'Insert' | 'Delete'
 }*/
 type Struct = Insertion | Deletion
+type Operation = Struct
 
 type Insertion = {
   id: Id,
@@ -23,4 +24,30 @@ type Insertion = {
 type Deletion = {
   target: Id,
   struct: 'Delete'
-}
+}
+
+
+type MessageSyncStep1 = {
+  type: 'sync step 1',
+  deleteSet: any,
+  stateSet: any
+}
+
+type MessageSyncStep2 = {
+  type: 'sync step 2',
+  os: Array<Operation>,
+  deleteSet: any,
+  stateSet: any
+}
+
+type MessageUpdate = {
+  type: 'update',
+  ops: Array<Operation>
+}
+
+type MessageSyncDone = {
+  type: 'sync done'
+}
+
+type Message = MessageSyncStep1 | MessageSyncStep2 | MessageUpdate | MessageSyncDone
+

declarations/Y.js

@@ -4,9 +4,10 @@ type YGlobal = {
 	utils: Object;
 	Struct: Object;
 	AbstractDatabase: any;
+	AbstractConnector: any;
 }
 
-type YInstance = {
+type YConfig = {
 	db: Object,
 	connector: Object,
 	root: Object
@@ -14,4 +15,6 @@ type YInstance = {
 
 declare var YConcurrency_TestingMode : boolean
 
-type Transaction<A> = Generator<any, A, any>
+type Transaction<A> = Generator<any, A, any>
+
+type SyncRole = 'master' | 'slave'