import { type EndpointAvailability, type EndpointKind, type EndpointToolDescriptor } from '@xopcai/endpoint-tools-protocol';
export interface EndpointToolPolicyDecision {
    confirmationRequired: boolean;
}
export declare class EndpointToolPolicyError extends Error {
}
export declare class EndpointToolPolicy {
    private readonly ajv;
    validateDescriptor(kind: EndpointKind, descriptor: EndpointToolDescriptor): void;
    evaluate(descriptor: EndpointToolDescriptor, availability: EndpointAvailability): EndpointToolPolicyDecision;
    private validatePolicyFields;
    private assertFields;
}