import { Root, AnyTitle } from '@lottiefiles/last';
import { Plugin } from 'unified';
import { Data } from 'vfile';
import { Options } from './options.js';

/**
 * Copyright 2022 Design Barn Inc.
 */

declare type UsedCount = number;
declare type Used = Map<AnyTitle, {
    /**
     * Total unused count
     */
    n: UsedCount;
    /**
     * Map of parent titles to whether how many nodes is used or not_used in the parent
     */
    parents: Map<AnyTitle, {
        n: UsedCount;
        y: UsedCount;
    }>;
    /**
     * Total used count
     */
    y: UsedCount;
}>;
interface ExtractFeaturesFileData extends Data {
    'extract-features': Used;
}
declare const extractFeatures: Plugin<[Options?], Root>;

export { type ExtractFeaturesFileData, type Used, type UsedCount, extractFeatures as default };