export declare function extractAskUserQuestions(data: any, sessionId: string): Array<{
    toolUseId: string | null;
    questions: any[];
    sessionId: string;
}>;
export declare function formatAssistantEvent(data: any): string | null;
export declare function formatUserEvent(data: any): string | null;
export declare function formatResultEvent(data: any): string;
export declare function formatEvent(data: any): string | null;
export declare function buildPrompt(userMessage: string, files: any[]): string;
/** Merge a brief epilogue with a substantially longer earlier message (e.g. an orient briefing) so Slack gets the real content.
 *  Triggers only when final is both absolutely short (<300) AND relatively short (<50% of longest). */
export declare function mergeSubstantialOutput(finalOutput: string | null, longestOutput: string | null): string | null;
export type ExtractResultOutcome = {
    resolved: true;
    value: any;
    error?: undefined;
} | {
    resolved: false;
    error: Error;
    value?: undefined;
};
export declare function extractResult(resultData: any, effectiveSessionId: string, killed: boolean, code: number, stderr: string, planFilePath: string | null, enteredPlanMode: boolean, exitedPlanMode: boolean, askUserQuestions: any[], finalOutput: string | null, longestOutput: string | null): ExtractResultOutcome;
export declare const PLAN_DIRS: string[];
export declare function isPlanFilePath(filePath: unknown): boolean;
export declare function setActivePlanFile(sessionId: string, path: string): void;
export declare function clearActivePlanFile(sessionId: string): void;
export declare function getCurrentPlanFilePath(sessionId: string): string | null;