/**
 * @license
 * Copyright 2025 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import type { FunctionDeclaration } from '@google/genai';
import type { AnyDeclarativeTool } from './tools.js';
/**
 * Tool registry for managing available tools
 */
export declare class ToolRegistry {
    private tools;
    /**
     * Registers a tool definition
     */
    registerTool(tool: AnyDeclarativeTool): void;
    /**
     * Removes all tools (for cleanup or reset)
     */
    removeAllTools(): void;
    /**
     * Retrieves the list of tool schemas (FunctionDeclaration array)
     */
    getFunctionDeclarations(): FunctionDeclaration[];
    /**
     * Retrieves a filtered list of tool schemas based on tool names
     */
    getFunctionDeclarationsFiltered(toolNames: string[]): FunctionDeclaration[];
    /**
     * Returns an array of all registered tool names
     */
    getAllToolNames(): string[];
    /**
     * Returns an array of all registered tool instances
     */
    getAllTools(): AnyDeclarativeTool[];
    /**
     * Get the definition of a specific tool
     */
    getTool(name: string): AnyDeclarativeTool | undefined;
    /**
     * Check if a tool exists
     */
    hasTool(name: string): boolean;
    /**
     * Get tools by kind
     */
    getToolsByKind(kind: string): AnyDeclarativeTool[];
}
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