import type { Computed, NativeSignal } from "native-signal/weak";
export type BaseContents = number | string | boolean | {
    to_html(): Contents;
} | Promise<Contents> | Element | Comment | DocumentFragment;
export type Contents = BaseContents | BaseContents[] | Computed<BaseContents | BaseContents[]> | NativeSignal<BaseContents | BaseContents[]>;
export declare abstract class Component<NODE extends Element = Element> {
    abstract root: NODE;
    to_html(): NODE;
    destroy(): void;
}
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