Incorrect variable names in overridden methods

When I let Android Studio generate override method it will generate the method with strange parameter names.

For instance according to documentation onCheckedChanged should look like this:

public void onCheckedChanged(CompoundButton buttonView, boolean isChecked){}

but i got

public void onCheckedChanged(CompoundButton compoundButton, boolean b){}

or onDateSet in DatePickerDialog i got:

onDateSet(DatePicker datePicker, int i, int i1, int i2)

instead of

onDateSet(DatePicker view, int year, int month, int dayOfMonth)

I got Android SDK set up in a project and Sources for Android 27 installed.

Any ideas?

Thanks

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