import { ShareContent, SocialPlatform, ProgressItem, ProgressSession, ProgressStats, GraphData, TrackerType } from '../types';
export declare class ShareHelpers {
    static calculateProgressStats(items: ProgressItem[], sessions: ProgressSession[], trackerType?: TrackerType, options?: {
        progressLabel?: string;
        itemLabel?: string;
        goalValue?: number;
    }): ProgressStats;
    static generateProgressGraphData(sessions: ProgressSession[], trackerType?: TrackerType, options?: {
        daysToShow?: number;
        valueLabel?: string;
        intensityThresholds?: number[];
    }): GraphData;
    static getProgressLabel(trackerType: TrackerType): string;
    static getItemLabel(trackerType: TrackerType): string;
    static generateShareMessage(contentType: 'bookCompletion' | 'readingProgress' | 'readingGoal' | 'readingStreak', variables: Record<string, any>): string;
    static buildShareUrl(platform: SocialPlatform, content: ShareContent): string;
    static openShareUrl(url: string): Promise<boolean>;
    static copyToClipboard(text: string): Promise<boolean>;
    static getLevelName(level: number, trackerType?: TrackerType): string;
    static getReaderLevelName(readerLevel: number): string;
    static calculateReadingStats(books: any[], readingSessions: any[]): any;
    static generateReadingGraphData(readingSessions: any[]): any;
}