# Hierarchy For Package io.vertx.core.spi

Package Hierarchies:

- All Packages

## Interface Hierarchy

- io.vertx.core.spi.JsonFactory
- io.vertx.core.spi.VerticleFactory
- io.vertx.core.spi.VertxServiceProvider
  - io.vertx.core.spi.ExecutorServiceFactory
  - io.vertx.core.spi.FileResolverFactory
  - io.vertx.core.spi.VertxMetricsFactory
  - io.vertx.core.spi.VertxThreadFactory
  - io.vertx.core.spi.VertxTracerFactory