import { type ChapterBranch } from "../../../manifest";
import type { Nullable } from "@vkontakte/videoplayer-shared";
/**
* Returns a random number in the range [0, limit) or [limit, 0) if the 'limit'
* value is negative
*/
export declare const getRandomNumber: (limit: number) => number;
/**
*  Finds the value with minimal weight number
*/
export declare const minFallbackStrategy: (branches: ChapterBranch[]) => Nullable<ChapterBranch>;
/**
*  Finds the value with maximal weight number
*/
export declare const maxFallbackStrategy: (branches: ChapterBranch[]) => Nullable<ChapterBranch>;
/**
*  Finds first branch with `isDefault === true` value
*/
export declare const defaultFallbackStrategy: (branches: ChapterBranch[]) => ChapterBranch | undefined;
/**
*  Returns the random branch
*/
export declare const weightlessRandomFallbackStrategy: (branches: ChapterBranch[]) => ChapterBranch;
export declare const weightyRandomFallbackStrategy: (branches: ChapterBranch[]) => ChapterBranch;