[CMG-466] - Handle Undefined type use case in content mapping

Author: sayalijoshi27

ui/src/components/ContentMapper/contentMapper.interface.ts

@@ -65,6 +65,7 @@ export interface FieldMapType {
   _canSelect?: boolean;
   advanced?: Advanced;
   contentstackUid: string;
+  _invalid?: boolean;
 }
 
 export interface Advanced {
@@ -174,4 +175,21 @@ export interface MappingObj {
   options: Mapping;
 }
 
+export interface FieldHistoryObj {
+  [key: string]: ModifiedField[];
+}
+
+export interface FieldObj {
+  [key: string]: ModifiedField;
+}
+
+export interface ModifiedField {
+  at: number;
+  checked: boolean;
+  id: string;
+  otherCmsType: string;
+  parentId: string;
+  uid: string;
+}
+