Definitely going to need to work on the types here

constants/Types.ts

@@ -123,9 +123,28 @@ export type GCMessage = {
   pending?: boolean;
   quickReplies?: GCQuickReplies;
 };
+export type GCState = {
+  messages: any[];
+  step: number;
+  loadEarlier?: boolean;
+  isLoadingEarlier?: boolean;
+  isTyping: boolean;
+};
+export enum ActionKind {
+  SEND_MESSAGE = 'SEND_MESSAGE',
+  LOAD_EARLIER_MESSAGES = 'LOAD_EARLIER_MESSAGES',
+  LOAD_EARLIER_START = 'LOAD_EARLIER_START',
+  SET_IS_TYPING = 'SET_IS_TYPING',
+  // LOAD_EARLIER_END = 'LOAD_EARLIER_END',
+};
+export type GCStateAction = {
+  type: ActionKind;
+  payload?: any;
+};
 export type NotificationMessage = {
   sound?: string;
   title: string;
   body: string;
   data?: any;
 };
+