import type { AsyncModule } from '@quilted/async';
import type { ComponentType, FunctionComponent } from 'react';
export type RenderTiming = 'server' | 'client';
export type HydrationTiming = 'immediate' | 'defer';
export type AssetLoadTiming = 'never' | 'preload' | 'load';
export type NonOptionalKeys<T> = {
    [K in keyof T]-?: undefined extends T[K] ? never : K;
}[keyof T];
export type IfAllOptionalKeys<Obj, If, Else = never> = NonOptionalKeys<Obj> extends {
    length: 0;
} ? If : Else;
export type NoInfer<T> = {
    [K in keyof T]: T[K];
} & T;
export type NoOptions = Record<string, never>;
export interface Preloadable<Options extends Record<string, any> = NoOptions> {
    readonly usePreload: Options extends NoOptions ? () => void : (options: Options) => void;
}
export interface AsyncComponentType<T, Props extends Record<string, any>, PreloadOptions extends Record<string, any> = NoOptions> extends Preloadable<PreloadOptions>, FunctionComponent<Props> {
    load(): Promise<T>;
    readonly module: AsyncModule<T>;
    readonly Preload: ComponentType<PreloadOptions>;
}
export type PreloadOptions<T> = T extends Preloadable<infer U> ? U : never;
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