/**
 * `/import-session` slash-command surface (issue #3709).
 *
 * The documented CLI contract:
 *
 *     /import-session <transcript-file> [--provider codex|claude]
 *
 * The file argument is an explicit user-selected Codex rollout transcript,
 * Claude Code transcript, or claude.ai export. Provider detection is automatic;
 * `--provider` narrows it and fails closed on a mismatch.
 */
import type { SessionImportCompleted, SessionImportProviderId } from "./types";
export declare const IMPORT_SESSION_USAGE = "Usage: /import-session <transcript-file> [--provider codex|claude]";
export type ParsedImportSessionArgs = {
    kind: "ok";
    sourcePath: string;
    provider?: SessionImportProviderId;
} | {
    kind: "error";
    message: string;
};
export declare function parseImportSessionArgs(args: string): ParsedImportSessionArgs;
export type SessionImportCommandOutcome = {
    kind: "imported";
    result: SessionImportCompleted;
} | {
    kind: "error";
    message: string;
};
/**
 * Shared non-UI flow for both the text/ACP handler and the TUI handler:
 * import into a NEW session file; the caller decides how to present/switch.
 * Never mutates the current session.
 */
export declare function runSessionImportCommand(args: string, cwd: string): Promise<SessionImportCommandOutcome>;