Method isDefault

src/main/java/groovy/lang/MetaMethod.java:195–197

Returns whether this method is interface-default. @return true if this method is default

()

     * @return true if this method is default
     */
    public boolean isDefault() {
        return (getModifiers() & (Modifier.ABSTRACT | Modifier.PUBLIC | Modifier.STATIC)) == Modifier.PUBLIC && getDeclaringClass().isInterface;
    }

    /**
     * Determines if the given method has the same name, parameters, return type