import { type PlatformTag, type StackAbbr } from '../models/game.interface.js';
/** Waits a specified number of `ms`. */
export declare function sleep(ms: number): Promise<void>;
export declare function extractKeys<T extends object>(keysObj: T): Array<keyof T>;
/** Mapped type that removes optional properties. */
export type OnlyRequiredPropertiesOf<T> = {
    [K in keyof T as T[K] extends Required<T>[K] ? K : never]: T[K];
};
/** Creates a new type based on `T` with properties specified by `K` made required.
 *
 * @template T - The original object type.
 * @template K - A union of keys from the object type `T` that should be made required. */
export type MakeRequired<T, K extends keyof T> = Omit<T, K> & Required<Pick<T, K>>;
/** Creates a new type based on `T` with properties specified by `K` made optional.
 *
 * @template T - The original object type.
 * @template K - A union of keys from the object type `T` that should be made optional. */
export type MakeOptional<T, K extends keyof T> = Omit<T, K> & Partial<Pick<T, K>>;
/**
 * Parses a numerical value from a string or DOM Node, returning said value or `NaN`.
 *
 * Prior to parsing, strings are trimmed and occurrences of `,`, `%`, and `\s.+` are removed.
 *
 * @example
 * parseNumber("5,001.5% (25.99%)") // 5001.5
 */
export declare function parseNumber(input: string | Node | null | undefined): number;
export declare function isStackAbbr(value: string | null | undefined): value is StackAbbr;
export declare function getStackAbbr(fullRegionName: string): StackAbbr | null;
export declare function isPlatformTag(value: string | null | undefined): value is PlatformTag;
export declare function parsePlatformTags(parent: ParentNode): PlatformTag[];