export declare enum SystemFilter { LATEST = "system:latest", POPULAR = "system:popular", RECOMMENDED = "system:recommended", ENGAGING = "system:engaging" } export declare enum SectionPopularityCategory { NONE = 0, POPULAR = 1, THE_MOST_POPULAR = 2 } export declare enum SectionTrendlineDirection { ASC = 0, DESC = 1 } export interface SectionPopularity { value: number; category: SectionPopularityCategory; } export interface SectionEngagement { data: number[]; direction: SectionTrendlineDirection; trendline: number; } export interface SectionExtra { id?: string; popularity: SectionPopularity; engagement: SectionEngagement; views: number; }