This test verifies that stubmethods quickfix generates correct
signatures for instantiated generic interfaces. See golang/go#79845.

-- go.mod --
module mod.com

go 1.18

-- main.go --
package main

type Group[E any] interface {
	Identity() E
	Combine(E, E) E
	Inverse(E) E
}

type IntegersModuloPrime struct {
	mod int
}

var _ Group[int] = IntegersModuloPrime{} //@quickfix(re"IntegersModuloPrime", re"missing method", stub)

-- @stub/main.go --
@@ -13 +13,14 @@
-var _ Group[int] = IntegersModuloPrime{} //@quickfix(re"IntegersModuloPrime", re"missing method", stub)
+// Combine implements [Group].
+func (i IntegersModuloPrime) Combine(int, int) int {
+	panic("unimplemented")
+}
+
+// Identity implements [Group].
+func (i IntegersModuloPrime) Identity() int {
+	panic("unimplemented")
+}
+
+// Inverse implements [Group].
+func (i IntegersModuloPrime) Inverse(int) int {
+	panic("unimplemented")
+}
@@ -15 +28 @@
+var _ Group[int] = IntegersModuloPrime{} //@quickfix(re"IntegersModuloPrime", re"missing method", stub)
