/**
 * A code executor that uses Vertex AI Code Interpreter Extension to execute code.
 */
import { InvocationContext } from "../agents/InvocationContext";
import { BaseCodeExecutor } from "./baseCodeExecutor";
import { CodeExecutionInput, CodeExecutionResult } from "./codeExecutionUtils";
interface Extension {
    execute(options: {
        operationId: string;
        operationParams: Record<string, any>;
    }): Promise<any>;
    gcaResource?: {
        name: string;
    };
}
interface ExtensionFactory {
    fromHub(extensionId: string): Extension;
}
/**
 * Options for initializing a VertexAiCodeExecutor
 */
export interface VertexAiCodeExecutorOptions {
    /**
     * If set, load the existing resource name of the code interpreter extension
     * instead of creating a new one.
     * Format: projects/123/locations/us-central1/extensions/456
     */
    resourceName?: string;
    /**
     * The Vertex AI extension client to use
     */
    extensionClient?: ExtensionFactory;
    /**
     * Other BaseCodeExecutor options
     */
    stateful?: boolean;
    optimizeDataFile?: boolean;
    errorRetryAttempts?: number;
    codeBlockDelimiters?: [string, string][];
    executionResultDelimiters?: [string, string];
}
/**
 * A code executor that uses Vertex AI Code Interpreter Extension to execute code.
 */
export declare class VertexAiCodeExecutor extends BaseCodeExecutor {
    /**
     * If set, load the existing resource name of the code interpreter extension
     * instead of creating a new one.
     * Format: projects/123/locations/us-central1/extensions/456
     */
    resourceName?: string;
    /**
     * The Vertex AI extension client
     */
    private extensionClient?;
    /**
     * The code interpreter extension
     */
    private codeInterpreterExtension?;
    /**
     * Initializes the VertexAiCodeExecutor.
     */
    constructor(options?: VertexAiCodeExecutorOptions);
    /**
     * Initialize the code interpreter extension
     */
    private initializeExtension;
    /**
     * Executes code and returns the code execution result.
     *
     * @param invocationContext - The invocation context of the code execution.
     * @param codeExecutionInput - The code execution input.
     * @returns The code execution result.
     */
    executeCode(invocationContext: InvocationContext, codeExecutionInput: CodeExecutionInput): Promise<CodeExecutionResult>;
    /**
     * Executes the code interpreter extension.
     */
    private executeCodeInterpreter;
    /**
     * Builds the code string with built-in imports.
     */
    private getCodeWithImports;
}
export {};