import { ComponentState } from "../component-state";
import { InstanceData } from "./instance-data";
export type StateChanged<THost> = {
    host: THost;
    state: ComponentState;
    previous: {
        state: ComponentState;
    };
    /**
     * @deprecated This property is deprecated. Use `host` instead.
     */
    appHost: THost;
};
type ExtractInstanceFromStateChanged<T> = T extends InstanceStateChanged<infer F> ? F : never;
export type InstanceStateChanged<TInstanceData extends InstanceData> = TInstanceData & {
    previous: {
        state: ComponentState;
    };
    stateVersion: number;
};
export type InstanceStateChangedHandler<TInstanceStateChanged extends InstanceStateChanged<TInstanceData>, TInstanceData extends InstanceData = ExtractInstanceFromStateChanged<TInstanceStateChanged>> = (evt: TInstanceStateChanged) => Promise<void>;
export {};
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