export declare const PI_INITIAL_PROMPT_ARG_BYTE_LIMIT = 4096;
export declare function piInitialPromptNeedsFile(prompt: string | undefined): boolean;
export declare function piInitialPromptRootDir(sessionDataDir: string): string;
export declare function piInitialPromptDir(sessionDataDir: string, sessionId: string): string;
export declare function piInitialPromptFilePath(sessionDataDir: string, sessionId: string): string;
export declare function preparePiInitialPromptArg(opts: {
    prompt: string;
    sessionId: string;
    sessionDataDir?: string;
}): {
    initialPromptArg: string;
    filePath?: string;
    readonlyRoot?: string;
    cleanupDir?: string;
    deferredInput?: {
        content: string;
        additionalArgs: string[];
        env: Record<string, string>;
    };
};
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