export declare const START_RUNTIMES: readonly ["codex", "omx", "plain", "human", "custom"];
export type StartRuntime = typeof START_RUNTIMES[number];
export interface StartPromptResult {
    root: string;
    planPath: string;
    relativePlanPath: string;
    runtime: StartRuntime;
    prompt: string;
}
export declare function renderStartPrompt(planReference: string, options: {
    runtime: StartRuntime;
    cwd?: string;
}): StartPromptResult;
export declare function parseStartRuntime(value: string): StartRuntime | null;