import { PluginLanguage } from './translations';
export type UpdateCheckInterval = 'startup' | 'daily' | 'weekly' | 'never';
export declare function getNextPluginUpdateCheckDelay(interval: UpdateCheckInterval, cachedCheckedAt: string | null | undefined, lastAttemptAt: number, now?: number): number | null;
export interface PluginUpdateNotesSection {
    title: string;
    items: string[];
}
export interface PluginUpdateNotesDocument {
    title?: string;
    sections?: PluginUpdateNotesSection[];
    notice?: string;
}
export interface LocalizedPluginUpdateNotesDocument {
    'zh-CN'?: PluginUpdateNotesDocument;
    en?: PluginUpdateNotesDocument;
}
/** Compares npm-style semantic versions without accepting version ranges. */
export declare function comparePluginVersions(left: string, right: string): number;
export declare function isNewerPluginVersion(candidate: string, current: string): boolean;
/** Local Dev builds compare against their source version, while keeping genuine prereleases. */
export declare function getUpdateComparisonVersion(version: string, devBuild: boolean): string;
export declare function formatPluginUpdateNotes(value: unknown, language?: PluginLanguage): string;