dhermanson

I see the `@Internal` annotation on `SchemaGeneratorDirectiveHelper` in `graphql-java`, now. Moving `DirectiveBehavior` outside of `graphql.schema.idl` would make it so that `DirectiveBehavior` would no longer have access to some of the...

Alternatively, I may fork the `graphql-java` project, and simply add the `DirectiveBehavior` class there, since it doesn't seem to depend on anything in this `graphql-java-tools` project.