/**
 * Discriminates the type of invocation dispatched to an actor method by the runtime.
 *
 * The actor runtime invokes actor methods through different pathways depending on the
 * call source: explicit client invocations, scheduled timer callbacks, or persisted
 * reminder callbacks. This enum distinguishes these invocation paths, which is useful
 * for conditional logic or logging within actor implementations.
 */
export declare enum ActorCallType {
    /**
     * Method invoked by an explicit client request.
     *
     * Dispatched when a remote caller invokes a method on an actor through the
     * Dapr actor runtime via ActorProxyBuilder or direct actor client invocation.
     * This is the most common actor method invocation type.
     */
    ACTOR_INTERFACE_METHOD = 0,
    /**
     * Method invoked by a scheduled timer callback.
     *
     * Dispatched when an actor's registered timer fires. The callback method name
     * is specified during timer registration and the method receives state data
     * optionally provided at timer registration time.
     *
     * Timers are NOT persisted across actor deactivation. They are ephemeral
     * scheduling constructs tied to the current actor activation.
     */
    TIMER_METHOD = 1,
    /**
     * Method invoked by a persistent reminder callback.
     *
     * Dispatched when an actor's registered reminder fires. The default callback
     * method is `receiveReminder()` on the actor implementation. Reminder state data
     * is passed to this callback.
     *
     * Reminders persist across actor deactivation and failover, making them suitable
     * for durable scheduled work. Unlike timers, reminders survive actor restart,
     * process crash, and cluster failover events.
     */
    REMINDER_METHOD = 2
}