/**
 * GuardrailsModule - Content safety for AI applications
 */
import type { GuardrailsModuleOptions } from './guardrails.types';
/** Token for optional injection (e.g. in @hazeljs/agent) */
export declare const GUARDRAILS_SERVICE_TOKEN = "GuardrailsService";
export declare class GuardrailsModule {
    private static options;
    static forRoot(options?: GuardrailsModuleOptions): typeof GuardrailsModule;
    static getOptions(): GuardrailsModuleOptions;
}
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