import { CanActivate, Type } from '@nestjs/common';
export declare const MCP_GUARDS_METADATA_KEY = "mcp:guards";
export interface ToolGuardExecutionContext {
    switchToHttp(): {
        getRequest<T = unknown>(): T;
    };
    getClass<T = unknown>(): Type<T>;
    getHandler(): Function;
    getType<TContext extends string = string>(): TContext;
}
export declare const ToolGuards: (guards: Type<CanActivate>[]) => import("@nestjs/common").CustomDecorator<string>;
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