import type { Type, PlatformRef, NgModuleRef } from '@angular/core';
import type { ForeignComponent } from 'piral-core';
declare module 'piral-core/lib/types/custom' {
    interface PiletCustomApi extends PiletNgApi {
    }
    interface PiralCustomComponentConverters<TProps> {
        ng(component: NgComponent): ForeignComponent<TProps>;
    }
}
export interface NgModuleFlags {
    /**
     * If set to true prevents the module from being disposed.
     */
    keepAlive?: boolean;
}
/**
 * Options passed through to Angular `bootstrapModule`.
 *
 * Mainly to specify Noop Zone, but also includes compiler specific settings.
 * See https://angular.io/api/core/PlatformRef#bootstrapModule for possible values.
 */
export type NgOptions = Parameters<PlatformRef['bootstrapModule']>[1];
export type ModuleInstanceResult = [any, NgOptions, NgModuleFlags];
export type PrepareBootstrapResult = [...ModuleInstanceResult, any];
export type NgModuleInt = NgModuleRef<any> & {
    _destroyed: boolean;
};
export { Type };
/**
 * Gives you the ability to use a component from a lazy loaded module.
 */
export interface NgComponentLoader {
    /**
     * Uses a component from a lazy loaded module.
     * @param selector The selector defined for the component to load.
     */
    (selector: string): NgComponent;
}
export interface NgLazyType {
    selector: string;
    module: () => Promise<{
        default: Type<any>;
    }>;
    opts: NgOptions;
    flags: NgModuleFlags;
    state: any;
}
/**
 * The lazy loading interface for retrieving Angular components.
 */
export interface LazyType<T> {
    /**
     * Callback to be invoked for lazy loading an Angular module or component.
     */
    (): Promise<{
        default: Type<T>;
    }>;
}
/**
 * Represents the interface implemented by a module definer function.
 */
export interface NgModuleDefiner {
    /**
     * Defines the module to use when bootstrapping the Angular pilet.
     * @param ngModule The module to use for running Angular.
     * @param opts The options to pass when bootstrapping.
     * @param flags The flags to use when dealing with the module.
     */
    <T>(module: Type<T>, opts?: NgOptions, flags?: NgModuleFlags): void;
    /**
     * Defines the module to lazy load for bootstrapping the Angular pilet.
     * @param getModule The module lazy loader to use for running Angular.
     * @param opts The options to pass when bootstrapping.
     * @param flags The flags to use when dealing with the module.
     * @returns The module ID to be used to reference components.
     */
    <T>(getModule: LazyType<T>, opts?: NgOptions, flags?: NgModuleFlags): NgComponentLoader;
}
export interface NgComponent {
    /**
     * The component root.
     */
    component: Type<any> | NgLazyType;
    /**
     * The type of the Angular component.
     */
    type: 'ng';
}
/**
 * Defines the provided set of Angular Pilet API extensions.
 */
export interface PiletNgApi {
    /**
     * Defines the module to use when bootstrapping the Angular pilet.
     */
    defineNgModule: NgModuleDefiner;
    /**
     * Wraps an Angular component for use in Piral. Might reuse a previously
     * defined module if the component was exported from it.
     * Alternatively, a module might be passed in, where the first component
     * of either the bootstrap or the entryComponents declaration is used.
     * @param component The component root.
     * @returns The Piral Ng component.
     */
    fromNg<T>(component: Type<T>): NgComponent;
    /**
     * Angular component for displaying extensions of the given name.
     */
    NgExtension: any;
}