import org.checkerframework.checker.initialization.qual.*;
import org.checkerframework.checker.nullness.qual.*;

class MethodInvocation {

    String s;

    public MethodInvocation() {
        // :: error: (method.invocation.invalid)
        a();
        b();
        c();
        s = "abc";
    }

    public MethodInvocation(boolean p) {
        // :: error: (method.invocation.invalid)
        a(); // still not okay to be committed
        s = "abc";
    }

    public void a() {}

    public void b(@UnderInitialization MethodInvocation this) {
        // :: error: (dereference.of.nullable)
        s.hashCode();
    }

    public void c(@UnknownInitialization MethodInvocation this) {
        // :: error: (dereference.of.nullable)
        s.hashCode();
    }
}