import { Context, ReactNode } from "react";
import { ViewModelContextSymbol } from "./viewModel";
/**
 * Provider component to override a ViewModel instance.
 * Useful for testing - allows injecting a mock ViewModel.
 */
export declare function ProvideViewModel<T>({ viewModel: ViewModelClass, value, children }: {
    viewModel: {
        [ViewModelContextSymbol]?: Context<T | undefined>;
    };
    value: T;
    children: ReactNode;
}): ReactNode;
/**
 * Represents a mock binding of a ViewModel class to an instance.
 */
export interface ViewModelMock {
    readonly _provide: (children: ReactNode) => ReactNode;
}
/**
 * Creates a mock binding for use with ProvideMockViewModels.
 */
export declare function mockViewModel<T>(viewModelClass: {
    [ViewModelContextSymbol]?: Context<T | undefined>;
}, instance: T): ViewModelMock;
/**
 * Provider component to override multiple ViewModel instances at once.
 * Useful for testing - allows injecting multiple mock ViewModels.
 *
 * @example
 * ```tsx
 * <ProvideMockViewModels mocks={[mockViewModel(AppPageViewModel, fakeViewModel)]}>
 *   <AppPage theme="light" />
 * </ProvideMockViewModels>
 * ```
 */
export declare function ProvideMockViewModels({ mocks, children }: {
    mocks: ViewModelMock[];
    children: ReactNode;
}): ReactNode;
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