declare namespace org {
    namespace spongepowered {
        namespace api {
            namespace extra {
                namespace fluid {
                    // @ts-ignore
                     class FluidTypes {
                        // @ts-ignore
                        public static WATER: org.spongepowered.api.extra.fluid.FluidType;
                        // @ts-ignore
                        public static LAVA: org.spongepowered.api.extra.fluid.FluidType;
                    }
                }
            }
        }
    }
}
