import type { ONIModel } from "../models/types.js";
export interface SafetyGateConfig {
    safetyModel: ONIModel;
    protectedTools?: string[];
    safetySystemPrompt?: string;
    timeout?: number;
}
export interface SafetyCheckResult {
    approved: boolean;
    reason?: string;
    riskScore?: number;
    suggestion?: string;
}
export declare class SafetyGate {
    private readonly model;
    private readonly protectedTools;
    private readonly systemPrompt;
    private readonly timeout;
    constructor(config: SafetyGateConfig);
    /** Returns true if the tool requires a safety check before execution. */
    requiresCheck(toolName: string): boolean;
    /** Sends tool call info to the safety model and returns the check result. */
    check(call: {
        id: string;
        name: string;
        args: Record<string, unknown>;
    }): Promise<SafetyCheckResult>;
}
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