import type { PluginSpec, PluginSpecInitializerResult } from '../spec/types.js';
/**
 * Store for managing plugin spec instances with lazy initialization.
 *
 * Each spec is initialized once on first access, and both its init and use
 * interfaces are cached for subsequent access.
 */
export declare class PluginSpecStore {
    private instances;
    private useInstances;
    private pluginKeys_;
    constructor(instances?: Map<string, PluginSpecInitializerResult<object, object>>, pluginKeys?: string[]);
    /**
     * Gets the plugin keys that were loaded into this store.
     */
    getPluginKeys(): string[];
    /**
     * Gets the use interface for a spec.
     *
     * Use this after initialization to access registered items.
     * The use interface provides read-only methods for consumption.
     *
     * @param spec - The plugin spec to get the use interface for
     * @returns The use interface for the spec
     */
    use<TUse extends object, TInit extends object>(spec: PluginSpec<TInit, TUse>): TUse;
}
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