import type { ModuleInstance } from 'ag-charts-core';
export declare class ModuleMap<T extends ModuleInstance = ModuleInstance> {
    protected moduleMap: Map<string, T>;
    private _version;
    /**
     * Monotonic counter incremented whenever a module is added or removed. Consumers can cache
     * derived state keyed on the value and refresh when it changes — avoiding repeated map lookups
     * without needing per-module invalidation hooks.
     */
    get version(): number;
    modules(): IterableIterator<T>;
    addModule(moduleName: string, moduleInstance: T): void;
    removeModule(moduleName: string): void;
    getModule(moduleName: string): T | undefined;
    isEnabled(moduleName: string): boolean;
    mapModules<R>(callback: (value: T, index: number) => R): R[];
    destroy(): void;
}