/**
 * Smart Prefetch Algorithm
 * Recognizes scroll patterns and predicts data loading needs
 */
export interface ScrollPattern {
    type: 'fast-scroll' | 'slow-scroll' | 'paused' | 'oscillating' | 'steady';
    velocity: number;
    acceleration: number;
    direction: 'up' | 'down' | 'stationary';
    confidence: number;
}
export interface PrefetchPrediction {
    shouldPrefetch: boolean;
    prefetchDistance: number;
    batchSize: number;
    priority: 'low' | 'normal' | 'high' | 'critical';
    confidence: number;
}
export declare class SmartPrefetchAlgorithm {
    private velocityHistory;
    private directionHistory;
    private readonly HISTORY_SIZE;
    private lastPrefetchTime;
    private prefetchCooldown;
    /**
     * Analyze scroll pattern
     */
    analyzeScrollPattern(velocity: number, acceleration: number, direction: 'up' | 'down' | 'stationary'): ScrollPattern;
    /**
     * Predict prefetch needs based on scroll pattern
     */
    predictPrefetchNeeds(pattern: ScrollPattern, visibleEnd: number, totalLoaded: number): PrefetchPrediction;
    /**
     * Track velocity history
     */
    private trackVelocity;
    /**
     * Track direction history
     */
    private trackDirection;
    /**
     * Get average velocity
     */
    private getAverageVelocity;
    /**
     * Get velocity variance
     */
    private getVelocityVariance;
    /**
     * Count direction changes
     */
    private countDirectionChanges;
    /**
     * Reset history
     */
    reset(): void;
    /**
     * Get prediction confidence
     */
    getConfidence(): number;
}
export default SmartPrefetchAlgorithm;
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