import type { Chart } from 'chart.js';
/**
 * Singleton manager for Chart.js instances.
 * Tracks all created chart instances and handles proper cleanup to prevent memory leaks.
 */
declare class ChartInstanceManager {
    private instances;
    /**
     * Register a new Chart.js instance
     */
    register(id: string, chart: Chart): void;
    /**
     * Get a Chart.js instance by ID
     */
    get(id: string): Chart | undefined;
    /**
     * Check if an instance exists
     */
    has(id: string): boolean;
    /**
     * Destroy a Chart.js instance by ID
     */
    destroy(id: string): void;
    /**
     * Destroy multiple Chart.js instances by their IDs
     */
    destroyMany(ids: string[]): void;
    /**
     * Destroy all registered Chart.js instances
     */
    destroyAll(): void;
    /**
     * Get count of registered instances
     */
    get count(): number;
    /**
     * Get all registered instance IDs
     */
    getIds(): string[];
}
export declare const chartManager: ChartInstanceManager;
export {};
//# sourceMappingURL=chartInstanceManager.d.ts.map