// "Make 'B' 'open'" "true"
class A {
    open class B
}

class C : <caret>A.B()
// FUS_QUICKFIX_NAME: org.jetbrains.kotlin.idea.quickfix.AddModifierFixFE10
// FUS_K2_QUICKFIX_NAME: org.jetbrains.kotlin.idea.quickfix.AddModifierFix