import { AsyncAuthorizerBase } from "@auth0/ai/AsyncAuthorization";
import { ToolWrapper } from "../types";
/**
 * The AsyncAuthorizer class implements the CIBA authorization flow for a LlamaIndex tool.
 *
 * CIBA (Client Initiated Backchannel Authentication) is a protocol that allows a client to
 * request authorization from the user via an out-of-band channel.
 */
export declare class AsyncAuthorizer extends AsyncAuthorizerBase<[
    any,
    object | undefined
]> {
    /**
     *
     * Builds a tool authorizer that protects the tool execution with the CIBA authorization flow.
     *
     * @returns A tool authorizer.
     */
    authorizer(): ToolWrapper;
}
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