import { Decision, Verb } from "./PolicyTypes.js";
export interface PolicyRefusalError extends Error {
    readonly decision: Decision;
}
/** True when `value` is a refusal thrown by ANY copy of this library. */
export declare function isPolicyRefusal(value: unknown): value is PolicyRefusalError;
/**
 * Builds the error thrown when an operation is refused.
 *
 * The message states what was needed and what to do about it. It deliberately does NOT
 * name an MCP tool parameter: on that surface the caller is the model, and a refusal
 * that advertises its own escape hatch just teaches the model to set it and retry.
 * The CLI remediation names its flags, because there a human typed the command.
 */
export declare function policyRefusal(decision: Decision): PolicyRefusalError;
/** Convenience for the common single-verb refusal. */
export declare function refusalFor(verb: Verb, decidingLayer: string, remediation?: string): PolicyRefusalError;