/// <reference types="svelte" />
import { type Writable } from 'svelte/store';
export type EncodeAndDecodeOptions<T = any> = {
    encode: (value: T) => string | undefined;
    decode: (value: string | null) => T | null;
    defaultValue?: T;
};
export type StoreOptions<T> = {
    debounceHistory?: number;
    pushHistory?: boolean;
    sort?: boolean;
    showDefaults?: boolean;
    equalityFn?: T extends object ? (current: T | null, next: T | null) => boolean : never;
};
type LooseAutocomplete<T> = {
    [K in keyof T]: T[K];
} & {
    [K: string]: any;
};
type Options<T> = {
    [Key in keyof T]: (T[Key] extends boolean ? string : T[Key] extends EncodeAndDecodeOptions<infer TReturn> ? TReturn : string) | (T[Key] extends EncodeAndDecodeOptions<any> ? undefined extends T[Key]['defaultValue'] ? null : never : null);
};
declare function objectEncodeAndDecodeOptions<T extends object = any>(defaultValue: T): EncodeAndDecodeOptions<T> & {
    defaultValue: T;
};
declare function objectEncodeAndDecodeOptions<T extends object = any>(): EncodeAndDecodeOptions<T> & {
    defaultValue: undefined;
};
declare function arrayEncodeAndDecodeOptions<T = any>(defaultValue: T[]): EncodeAndDecodeOptions<T[]> & {
    defaultValue: T[];
};
declare function arrayEncodeAndDecodeOptions<T = any>(): EncodeAndDecodeOptions<T[]> & {
    defaultValue: undefined;
};
declare function lzEncodeAndDecodeOptions<T = any>(defaultValue: T): EncodeAndDecodeOptions<T> & {
    defaultValue: T;
};
declare function lzEncodeAndDecodeOptions<T = any>(): EncodeAndDecodeOptions<T> & {
    defaultValue: undefined;
};
export declare const ssp: {
    number: {
        (defaultValue: number): EncodeAndDecodeOptions<number> & {
            defaultValue: number;
        };
        (): EncodeAndDecodeOptions<number> & {
            defaultValue: undefined;
        };
    };
    boolean: {
        (defaultValue: boolean): EncodeAndDecodeOptions<boolean> & {
            defaultValue: boolean;
        };
        (): EncodeAndDecodeOptions<boolean> & {
            defaultValue: undefined;
        };
    };
    string: {
        (defaultValue: string): EncodeAndDecodeOptions<string> & {
            defaultValue: string;
        };
        (): EncodeAndDecodeOptions<string> & {
            defaultValue: undefined;
        };
    };
    object: typeof objectEncodeAndDecodeOptions;
    array: typeof arrayEncodeAndDecodeOptions;
    lz: typeof lzEncodeAndDecodeOptions;
};
export declare function queryParameters<T extends Record<string, EncodeAndDecodeOptions | boolean>>(options?: T, { debounceHistory, pushHistory, sort, showDefaults, equalityFn, }?: StoreOptions<Options<T>>): Writable<LooseAutocomplete<Options<T>>>;
export declare function queryParam<T>(name: string, options: EncodeAndDecodeOptions<T> & {
    defaultValue: T;
}, storeOptions?: StoreOptions<T>): Writable<T>;
export declare function queryParam<T = string>(name: string, options?: EncodeAndDecodeOptions<T>, storeOptions?: StoreOptions<T>): Writable<T | null>;
export {};