import type { TableSort } from './table';
export type UrlParamEntry = [key: string, value: string, default_value?: string];
type ReadonlySetLike<Value> = Pick<ReadonlySet<Value>, `has`>;
type ValidQueryValues<Value extends string> = ReadonlySetLike<Value> | Record<string, unknown>;
export type WeightsConfig = Record<string, {
    weight: number;
}>;
type UrlLocation = Pick<URL, `pathname` | `search` | `hash`>;
export declare const bool_from_param: (params: URLSearchParams, key: string, fallback?: boolean) => boolean;
export declare const bool_url_entry: (key: string, value: boolean, fallback?: boolean) => UrlParamEntry;
export declare function valid_query_param<Value extends string>(params: URLSearchParams, key: string, fallback: Value, valid_values: ValidQueryValues<Value>): Value;
export declare function valid_query_param(params: URLSearchParams, key: string, fallback: string): string;
export declare const sort_from_query: (params: URLSearchParams, default_sort: TableSort, valid_columns?: ValidQueryValues<string>) => TableSort;
export declare const sort_url_entries: (sort: TableSort, default_sort: TableSort) => UrlParamEntry[];
export declare function weights_to_param(config: WeightsConfig, default_config: WeightsConfig): string;
export declare function apply_weights_param(param: string | null, config: WeightsConfig, default_config: WeightsConfig): void;
export declare function url_with_params(entries: UrlParamEntry[], current_url: UrlLocation): string;
export declare function sync_url_params(entries: UrlParamEntry[], current_url: UrlLocation, write_url: (url: string) => void): void;
export {};