https://github.com/jnr/jnr-ffi-examples
https://github.com/hassie/natto4j

https://github.com/maketechnology/cefswt/blob/master/com.make.cefswt/CEF.java
https://github.com/maketechnology/cefswt/blob/master/com.make.cefswt/CEF2.java
!!!NativeName
    public interface CEFInterface {
        @Retention(RetentionPolicy.RUNTIME)
        @Target(ElementType.METHOD)
        @interface NativeName {
            String value();
        }
        
        class NativeNameAnnotationFunctionMapper implements FunctionMapper {
            @Override
            public String mapFunctionName(String functionName, Context context) {
                for (Annotation ann : context.getAnnotations()) {
                    if (ann.annotationType() == NativeName.class)
                        return ((NativeName) ann).value();
                }
                return functionName;
            }
        }

        static class InstanceCreator {
            private static CEFInterface createInstance() {
                CEFInterface lib = LibraryLoader.create(CEFInterface.class)
                  .option(LibraryOption.FunctionMapper, new NativeNameAnnotationFunctionMapper())
                  .load("cef");
                RUNTIME = jnr.ffi.Runtime.getRuntime(lib);
                return lib;
            }
        }

        @NativeName("cef_string_wide_set")
        int stringWideSet(jnr.ffi.Pointer src, long srcLen, StringWide output, int copy);
        ...
    }

https://github.com/puniverse/javafs/blob/master/src/main/java/jnr/ffi/provider/jffi/ClosureHelper.java
https://github.com/SerCeMan/jnr-fuse