/**
 * ToolRegistry — Single source of truth for gateway tools (STORY-016)
 *
 * Centralizes tool definitions so that:
 * - VALID_TOOLS array (gateway-tool-executor.ts) is derived, not hand-coded
 * - gateway-tools.md can be generated at build time
 * - Per-agent tool filtering has one canonical list to filter against
 */
import type { GatewayToolName } from './types.js';
export type ToolCategory = 'memory' | 'business_data' | 'utility' | 'browser' | 'os_management' | 'os_monitoring' | 'pr_review' | 'webchat' | 'code_act' | 'multi_agent' | 'system';
export interface ToolDefinitionMeta {
    name: GatewayToolName;
    description: string;
    category: ToolCategory;
    /** Short parameter hint for prompt generation (e.g. "query?, type?, limit?") */
    params?: string;
    /** If true, only viewers can use this tool */
    viewerOnly?: boolean;
}
export declare class ToolRegistry {
    /**
     * Get all registered tool names.
     */
    static getValidToolNames(): GatewayToolName[];
    /**
     * Get tool metadata by name.
     */
    static getTool(name: string): ToolDefinitionMeta | undefined;
    /**
     * Get all tool definitions.
     */
    static getAllTools(): ToolDefinitionMeta[];
    /**
     * Get tools filtered by allowed list.
     * If allowedTools is undefined or empty, returns all tools.
     * Supports wildcard patterns: "mama_*", "browser_*", "*"
     */
    static getFilteredTools(allowedTools?: string[]): ToolDefinitionMeta[];
    /**
     * Get tools grouped by category.
     */
    static getByCategory(): Map<ToolCategory, ToolDefinitionMeta[]>;
    /**
     * Check if a tool name is registered.
     */
    static isRegistered(name: string): boolean;
    /**
     * Validate that all registered tools have handlers in an executor.
     * Returns list of tool names with missing handlers.
     */
    static validateHandlers(handlerNames: Set<string>): string[];
    /**
     * Generate a markdown prompt listing all tools (or filtered subset).
     */
    static generatePrompt(allowedTools?: string[]): string;
    /**
     * Generate a compact fallback prompt (for when gateway-tools.md is not available).
     */
    static generateFallbackPrompt(allowedTools?: string[]): string;
    /**
     * Total number of registered tools.
     */
    static get count(): number;
}
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