API isStatic() under CtExecutableReference does not return true. Under Spoon 5.2.0.

[giphon]

The API isStatic() under CtExecutableReference does not return the staticness. Under Spoon 5.2.0.
Not sure whether this is a dropped feature or a bug.

The input source code

package temp;
public class A {
    public static int getInt1() { return 1; }
    public final static int getInt2() { return 2; }
    public final int getInt3() { return 3; }    
    public int getInt4() { return 4; }
}

The Spoon processor

package spoonbug;
public class ExecRefProcessor extends AbstractProcessor<CtClass> {
    @Override
    public void process(CtClass ctClass) {
        CtTypeReference typeRef = ctClass.getReference();
        Collection<CtExecutableReference<?>> collectExecRef = typeRef.getDeclaredExecutables(               
        for(CtExecutableReference execRef: collectExecRef)
        {
            System.out.println("" + execRef.getSimpleName() + " # isStatic()? " + execRef.isStatic() );
            System.out.println("" + execRef.getSimpleName() + " # isFinal()? " + execRef.isFinal() );
        }
    }
}

Output is as follows. Then isStatic() does not return true for getInt1() and getInt2()

getInt1 # isStatic()? false
getInt1 # isFinal()? false
getInt2 # isStatic()? false
getInt2 # isFinal()? true
getInt3 # isStatic()? false
getInt3 # isFinal()? true
getInt4 # isStatic()? false
getInt4 # isFinal()? false
<init> # isStatic()? false
<init> # isFinal()? false