import type { PerformanceThresholds } from '../types/interfaces';
export type { PerformanceThresholds };
export declare class PerformanceConfig {
    private static config;
    /**
     * Get current performance configuration
     */
    static getConfig(): PerformanceThresholds;
    /**
     * Update performance configuration
     */
    static updateConfig(updates: Partial<PerformanceThresholds>): void;
    /**
     * Check if workers should be used for given size/rows
     */
    static shouldUseWorkers(fileSize: number, rowCount?: number): boolean;
    /**
     * Check if WASM should be used for given size/rows
     */
    static shouldUseWasm(fileSize: number, rowCount?: number): boolean;
    /**
     * Check if drag/drop should be enabled
     */
    static isDragDropAllowed(rowCount: number): boolean;
    /**
     * Check if pagination is required
     */
    static requiresPagination(rowCount: number): boolean;
    /**
     * Get appropriate page size for dataset
     */
    static getPageSize(rowCount: number): number;
    /**
     * Check if sampling should be used
     */
    static shouldSample(rowCount: number): boolean;
    /**
     * Get sample size for dataset
     */
    static getSampleSize(rowCount: number): number;
    /**
     * Get optimal chunk size for file
     */
    static getChunkSize(fileSize: number): number;
    /**
     * Get performance mode for dataset
     * Returns the optimal processing mode based on file size
     */
    static getPerformanceMode(fileSize: number, rowCount: number): 'standard' | 'workers' | 'wasm' | 'streaming-wasm';
    /**
     * Check if virtual scrolling should be used
     * @param rowCount Number of rows in the dataset
     * @returns true if virtual scrolling should be enabled
     */
    static shouldUseVirtualScroll(rowCount: number): boolean;
    /**
     * Get virtual scroll configuration
     * @returns Virtual scroll settings
     */
    static getVirtualScrollConfig(): {
        rowHeight: number;
        bufferSize: number;
        threshold: number;
    };
}
//# sourceMappingURL=PerformanceConfig.d.ts.map