/**
 * Interface for providing runtime capabilities to sandboxed iframes.
 * Each provider injects data and runtime functions into the sandbox context.
 */
export interface SandboxRuntimeProvider {
    /**
     * Returns data to inject into window scope.
     * Keys become window properties (e.g., { attachments: [...] } -> window.attachments)
     */
    getData(): Record<string, any>;
    /**
     * Returns a runtime function that will be stringified and executed in the sandbox.
     * The function receives sandboxId and has access to data from getData() via window.
     *
     * IMPORTANT: This function will be converted to string via .toString() and injected
     * into the sandbox, so it cannot reference external variables or imports.
     */
    getRuntime(): (sandboxId: string) => void;
    /**
     * Optional message handler for bidirectional communication.
     * All providers receive all messages - decide internally what to handle.
     *
     * @param message - The message from the sandbox
     * @param respond - Function to send a response back to the sandbox
     */
    handleMessage?(message: any, respond: (response: any) => void): Promise<void>;
    /**
     * Optional documentation describing what globals/functions this provider injects.
     * This will be appended to tool descriptions dynamically so the LLM knows what's available.
     */
    getDescription(): string;
    /**
     * Optional lifecycle callback invoked when sandbox execution starts.
     * Providers can use this to track abort signals for cancellation of async operations.
     *
     * @param sandboxId - The unique identifier for this sandbox execution
     * @param signal - Optional AbortSignal that will be triggered if execution is cancelled
     */
    onExecutionStart?(sandboxId: string, signal?: AbortSignal): void;
    /**
     * Optional lifecycle callback invoked when sandbox execution ends (success, error, or abort).
     * Providers can use this to clean up any resources associated with the sandbox.
     *
     * @param sandboxId - The unique identifier for this sandbox execution
     */
    onExecutionEnd?(sandboxId: string): void;
}
//# sourceMappingURL=SandboxRuntimeProvider.d.ts.map