import { GenkitBeta } from "genkit/beta";
import { FGAAuthorizerBase } from "@auth0/ai/FGA";
import { ToolFnOptions, ToolRunOptions } from "@genkit-ai/ai/tool";
import { ToolWrapper } from "../lib";
/**
 * The FGAAuthorizer class implements the FGA authorization control for a Genkit AI tool.
 *
 * This class extends the FGAAuthorizerBase and provides a method to build a tool authorizer
 * that protects the tool execution using FGA.
 *
 */
export declare class FGAAuthorizer extends FGAAuthorizerBase<[
    any,
    ToolFnOptions & ToolRunOptions
]> {
    private readonly genkit;
    constructor(genkit: GenkitBeta, ...args: ConstructorParameters<typeof FGAAuthorizerBase>);
    /**
     *
     * Builds a tool authorizer that protects the tool execution with FGA.
     *
     * @returns A tool authorizer.
     */
    authorizer(): ToolWrapper;
}
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