export declare type DeepNullable<T> = {
    [K in keyof T]: DeepNullable<T[K]> | null;
};
export declare type ListenerOptions = boolean | {
    capture?: boolean;
    once?: boolean;
    passive?: boolean;
    signal?: AbortSignal;
};
export declare type UnknownFunction = (...args: unknown[]) => unknown;
export declare type ExcludeFunction<T> = Exclude<T, UnknownFunction>;
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