import { EnhancedToolDefinition, ToolDefinition } from "./types";
declare class RegistryManager {
    private static instance;
    private registries;
    private toolLookupCache;
    private toolDefinitionsCache;
    private toolNamesCache;
    private descriptionOverrides;
    private readOnlyToolsCache;
    private constructor();
    static getInstance(): RegistryManager;
    private initializeRegistries;
    private loadDescriptionOverrides;
    private buildReadOnlyToolsList;
    private getReadOnlyTools;
    private buildToolLookupCache;
    private invalidateCaches;
    getTool(toolName: string): EnhancedToolDefinition | null;
    executeTool(toolName: string, args: unknown): Promise<unknown>;
    refreshCache(): void;
    getAllToolDefinitions(): ToolDefinition[];
    getAllToolDefinitionsTierless(): EnhancedToolDefinition[];
    getAllToolDefinitionsUnfiltered(): EnhancedToolDefinition[];
    hasToolHandler(toolName: string): boolean;
    getAvailableToolNames(): string[];
    getFilterStats(): FilterStats;
}
export interface FilterStats {
    available: number;
    total: number;
    filteredByScopes: number;
    filteredByReadOnly: number;
    filteredByTier: number;
    filteredByDeniedRegex: number;
    filteredByActionDenial: number;
}
export { RegistryManager };