Bug Fix

Author: cihatyalman

lib/core/api_service/abstract/i_api_service.dart

@@ -1,4 +1,4 @@
-class IApiService<T> {
+abstract class IApiService<T> {
   Future<T?>? get({
     required String path,
     Map<String, String>? headers,

lib/core/local_database/abstract/i_local_database_service.dart

@@ -1,6 +1,6 @@
 import 'package:sqflite/sqflite.dart';
 
-class ILocalDatabaseService {
+abstract class ILocalDatabaseService {
   Future<Database>? get db {}
   Future<Database>? initializeDb(String dbName) {}
   Future<bool?>? deleteDb(Database db) {}

lib/core/utilities/results/abstract/i_data_result.dart

@@ -1,5 +1,5 @@
 import 'i_result.dart';
 
-class IDataResult<T> extends IResult{
+abstract class IDataResult<T> extends IResult{
   T? get data{}
 }

lib/core/utilities/results/abstract/i_result.dart

@@ -1,4 +1,4 @@
-class IResult{
+abstract class IResult{
   bool? get success{}
   String? get message{}
 }