It is expected that the annotation indexes generated by the ee-feature-pack and galleon-feature-pack be distributed in the "preview" server distribution, however those indexes are not available.

Right now, when building the preview the following directory is empty:

preview/dist/target/wildfly-preview-35.0.0.Beta1-SNAPSHOT/modules/system/layers/base/org/wildfly/_internal/unstable-api-annotation-index/main/content/