export interface ReactiveController {
    hostConnected?(): void;
    hostDisconnected?(): void;
    hostUpdate?(): void;
    hostUpdated?(): void;
}
export interface ReactiveControllerHost {
    addController(controller: ReactiveController): void;
    removeController(controller: ReactiveController): void;
    requestUpdate(): void;
    readonly updateComplete: Promise<boolean>;
}
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