import { ToolAnnotations } from '@modelcontextprotocol/sdk/types';
import { ZodRawShape } from 'zod';
export interface ToolBaseOptions {
    name: string;
}
export interface ToolWithDescriptionOptions extends ToolBaseOptions {
    description: string;
}
export interface ToolWithParamsSchemaOptions extends ToolBaseOptions {
    paramsSchema: ZodRawShape;
}
export interface ToolWithParamsSchemaAndDescriptionOptions extends ToolWithParamsSchemaOptions {
    description: string;
}
export interface ToolWithAnnotationsOptions extends ToolBaseOptions {
    annotations: ToolAnnotations;
}
export interface ToolWithAnnotationsAndDescriptionOptions extends ToolWithAnnotationsOptions {
    description: string;
}
export interface ToolWithParamsSchemaAndAnnotationsOptions extends ToolBaseOptions {
    paramsSchema: ZodRawShape;
    annotations: ToolAnnotations;
}
export interface ToolWithParamsSchemaAndAnnotationsAndDescriptionOptions extends ToolWithParamsSchemaAndAnnotationsOptions {
    description: string;
}
export type ToolOptions = ToolBaseOptions | ToolWithDescriptionOptions | ToolWithParamsSchemaOptions | ToolWithParamsSchemaAndDescriptionOptions | ToolWithAnnotationsOptions | ToolWithAnnotationsAndDescriptionOptions | ToolWithParamsSchemaAndAnnotationsOptions | ToolWithParamsSchemaAndAnnotationsAndDescriptionOptions;
export declare const MCP_TOOL = "__mcp_tool__";
export declare function Tool(options: ToolOptions): (target: object, propertyKey: string, descriptor: PropertyDescriptor) => PropertyDescriptor;