// Declaration
namespace Game.YourModule.Declaration
{
    public class State : Context
    {
        State()
        {
            var Application = Component().GroupSingle;
            var RabbitName = Component<string>().Index;
            var Rabbit = Component();
            var RabbitUnit = Component<float>().GroupSingle;
            var Fast = Component();
            var Speed = Component<float>().Group;

            var RabbitWithName = Group(Matcher.All(Rabbit, RabbitName));
            var FastRabbitName = Index(RabbitName, Rabbit, Fast);
        }
    }
}

// If generator is running, it will automatically
// regenerate API so you can use it immediately.

// Usage
void Example ()
{
    // Components
    var entity = Contexts.state.CreateEntity();
    entity.rabbitName = "Steve";
    entity.rabbit = true;
    entity.fast = true;
    entity.speed = 10f;

    // Groups
    var applicationEntity = Contexts.state.applicationEntity;
    var applicationExists = Contexts.state.HasApplication();
    var speedGroup = Contexts.state.speedGroup;
    var speedEntities = Contexts.state.speedEntities;
    var rabbitUnit = Contexts.state.rabbitUnit;
    var rabbitWithNameGroup = Contexts.state.rabbitWithNameGroup;

    // Index
    var numberOfRabbitsWithNameSteve = Contexts.state.fastRabbitNameIndex.GetCount("Steve");
    var rabbitsWithNameSteve = Contexts.state.fastRabbitNameIndex.Find("Steve");
    var rabbitWithNameSteve = Contexts.state.fastRabbitNameIndex.FindSingle("Steve");
}