/**
 * Metadata keys and types for MCP tool decorators
 */
export declare const TOOL_METADATA_KEY: unique symbol;
export declare const PARAM_METADATA_KEY: unique symbol;
export interface ToolMetadata {
    name: string;
    description: string;
    category?: string;
    inputSchema?: unknown;
}
export interface ParamMetadata {
    index: number;
    name: string;
    description: string;
    type?: unknown;
    required?: boolean;
    default?: unknown;
    enum?: unknown[];
    items?: unknown;
}
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