error: no suitable method found for fromJson(List<ObjectUser>,Class<ObjectUser>)
method Gson.<T#1>fromJson(String,Class<T#1>) is not applicable
(cannot infer type-variable(s) T#1
(argument mismatch; List<ObjectUser> cannot be converted to String))
method Gson.<T#2>fromJson(String,Type) is not applicable
(cannot infer type-variable(s) T#2
(argument mismatch; List<ObjectUser> cannot be converted to String))
method Gson.<T#3>fromJson(Reader,Class<T#3>) is not applicable
(cannot infer type-variable(s) T#3
(argument mismatch; List<ObjectUser> cannot be converted to Reader))
method Gson.<T#4>fromJson(Reader,Type) is not applicable
(cannot infer type-variable(s) T#4
(argument mismatch; List<ObjectUser> cannot be converted to Reader))
method Gson.<T#5>fromJson(JsonReader,Type) is not applicable
(cannot infer type-variable(s) T#5
(argument mismatch; List<ObjectUser> cannot be converted to JsonReader))
method Gson.<T#6>fromJson(JsonElement,Class<T#6>) is not applicable
(cannot infer type-variable(s) T#6
(argument mismatch; List<ObjectUser> cannot be converted to JsonElement))
method Gson.<T#7>fromJson(JsonElement,Type) is not applicable
(cannot infer type-variable(s) T#7
(argument mismatch; List<ObjectUser> cannot be converted to JsonElement))
where T#1,T#2,T#3,T#4,T#5,T#6,T#7 are type-variables:
T#1 extends Object declared in method <T#1>fromJson(String,Class<T#1>)
T#2 extends Object declared in method <T#2>fromJson(String,Type)
T#3 extends Object declared in method <T#3>fromJson(Reader,Class<T#3>)
T#4 extends Object declared in method <T#4>fromJson(Reader,Type)
T#5 extends Object declared in method <T#5>fromJson(JsonReader,Type)
T#6 extends Object declared in method <T#6>fromJson(JsonElement,Class<T#6>)
T#7 extends Object declared in method <T#7>fromJson(JsonElement,Type)