export declare const approvalMixin: {
    approveToolCall(sessionId: string, callId: string, approved: boolean): Promise<{
        ok: boolean;
        callId: string;
        approved: boolean;
    }>;
    getPendingApprovals(sessionId: string): Promise<{
        ok: boolean;
        pending: Array<{
            callId: string;
            toolName: string;
            args: unknown;
            messageId: string;
            createdAt: number;
        }>;
    }>;
};
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