import type { IPolicyEvaluator, PolicyEvaluationContext, PolicyEvaluationResult, PolicyEvaluators } from '../evaluation';
import type { IPolicyEngine } from './types.ts';
import type { BasePolicy } from '../types.ts';
/**
 * The policy engine is a component that interprets defined policies and makes decisions
 * on whether to allow or deny a particular access.
 */
export declare class PolicyEngine implements IPolicyEngine {
    protected evaluators: Record<string, IPolicyEvaluator>;
    constructor(evaluators?: PolicyEvaluators);
    registerEvaluator(type: string, evaluator: IPolicyEvaluator): void;
    registerEvaluators(evaluators: PolicyEvaluators): void;
    /**
     * @param policy
     * @param ctx
     */
    evaluate(policy: BasePolicy, ctx: PolicyEvaluationContext): Promise<PolicyEvaluationResult>;
    evaluateOrFail(policy: BasePolicy, ctx: PolicyEvaluationContext): Promise<void>;
}
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