public interface WithNested { class IAmStaticReally { final String x; @java.lang.SuppressWarnings("all") public IAmStaticReally(final String x) { this.x = x; } @java.lang.SuppressWarnings("all") public WithNested.IAmStaticReally withX(final String x) { return this.x == x ? this : new WithNested.IAmStaticReally(x); } } }