import type { SDKUserMessage } from "@anthropic-ai/claude-agent-sdk";
export declare class PromptInput implements AsyncIterable<SDKUserMessage> {
    private readonly queue;
    private wake;
    private closed;
    /** Queue a message for Claude Code. Returns false once the input has closed. */
    push(message: SDKUserMessage): boolean;
    /** End the input. Claude Code exits after it finishes the current turn. */
    close(): void;
    get isClosed(): boolean;
    [Symbol.asyncIterator](): AsyncIterator<SDKUserMessage>;
}