export interface StartSerializer {
    stringify: (obj: unknown) => string;
    parse: (str: string) => unknown;
    encode: <T>(value: T) => T;
    decode: <T>(value: T) => T;
}
export type SerializerStringifyBy<T, TSerializable> = T extends TSerializable ? T : T extends (...args: Array<any>) => any ? 'Function is not serializable' : {
    [K in keyof T]: SerializerStringifyBy<T[K], TSerializable>;
};
export type SerializerParseBy<T, TSerializable> = T extends TSerializable ? T : unknown extends SerializerExtensions['ReadableStream'] ? {
    [K in keyof T]: SerializerParseBy<T[K], TSerializable>;
} : T extends SerializerExtensions['ReadableStream'] ? ReadableStream : {
    [K in keyof T]: SerializerParseBy<T[K], TSerializable>;
};
export interface DefaultSerializerExtensions {
    ReadableStream: unknown;
}
export interface SerializerExtensions extends DefaultSerializerExtensions {
}
export type Serializable = Date | undefined | Error | FormData | bigint;
export type SerializerStringify<T> = SerializerStringifyBy<T, Serializable>;
export type SerializerParse<T> = SerializerParseBy<T, Serializable>;