import { type HostAction } from '../host-api';
import { type BuilderAction } from './actions';
import { type BuilderApi, type HostNavigationEvent } from './api';
export declare class BuilderAPIProxy implements BuilderApi {
    private messageChannel;
    constructor({ appOrigin }: {
        appOrigin: string;
    });
    handleHostNavigate(event: HostNavigationEvent): void;
    setup({ onHostAction }: {
        onHostAction: (action: HostAction) => void;
    }): VoidFunction;
    execute(action: BuilderAction): void;
    dispatchBuffered(): void;
}
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