GWT 2.7.0

## com.google.gwt.core.ext.linker
Annotation Type Transferable

    @Documented
    @Inherited
    @Retention(value=RUNTIME)
    @Target(value=TYPE)
    public @interface Transferable

An artifact marked with this annotation is passed through a compilation all the way to the final call to `Linker.link(com.google.gwt.core.ext.TreeLogger, com.google.gwt.core.ext.LinkerContext, ArtifactSet, boolean)` . Try to minimize the number of artifacts so marked.

GWT 2.7.0