/**
 * [WHO]: isInTeammateContext(), submitPlanToLeader(), checkPlanApproval()
 * [FROM]: No external dependencies (team extension integration)
 * [TO]: Consumed by exit-plan-mode-tool.ts
 * [HERE]: extensions/builtin/plan/teammate-approval.ts - teammate plan approval flow
 *
 * @deprecated MVP implementation — uses filesystem-based mailbox (team-mail dir).
 *   TODO(v2): Replace with TeamMailbox.post() from team extension when stable.
 */
/**
 * Check if the current context is a teammate.
 * This is a simplified check - in full implementation this would
 * integrate with the team extension's TeamRuntime.
 */
export declare function isInTeammateContext(): boolean;
/**
 * Get the current teammate identity.
 */
export declare function getTeammateIdentity(): {
    id: string;
    name: string;
} | null;
/**
 * Get the team name if in a team context.
 */
export declare function getTeamName(): string | null;
/**
 * Submit a plan approval request to the leader.
 * @deprecated MVP: uses filesystem-based mailbox. Replace with TeamMailbox.post().
 */
export declare function submitPlanToLeader(planFilePath: string, planContent: string): Promise<{
    requestId: string;
    status: "submitted";
}>;
/**
 * Check if a plan approval has been received.
 */
export declare function checkPlanApproval(requestId: string): Promise<{
    approved: boolean;
    feedback?: string;
} | null>;
/**
 * Format the message shown when plan is submitted to leader.
 */
export declare function formatPlanSubmittedMessage(requestId: string, planFilePath: string): string;
/**
 * Format the message shown when waiting for leader approval.
 */
export declare function formatWaitingForApprovalMessage(requestId: string): string;