Module: lib
@kotlin.Metadata
public interface I {
    // source: '1.kt'
    public abstract @org.jetbrains.annotations.Nullable method foo(@org.jetbrains.annotations.Nullable p0: kotlin.jvm.functions.Function1): kotlin.jvm.functions.Function1
}
Module: main
@kotlin.Metadata
public final class C {
    // source: '2.kt'
    public method <init>(): void
    public @org.jetbrains.annotations.Nullable method foo(@org.jetbrains.annotations.Nullable p0: kotlin.jvm.functions.Function1): kotlin.jvm.functions.Function1
}