import type { SessionInputStatus } from '../storage/sqlite/session-input-repository.js';
type InputState = {
    status: SessionInputStatus;
    error?: string;
};
export declare function selectTaskMainUpdateAttempt(conversationId: string, baseClientMessageId: string, findInput: (conversationId: string, clientMessageId: string) => InputState | undefined): {
    kind: 'completed' | 'accepted' | 'new' | 'exhausted';
    clientMessageId?: string;
};
/** Reuses an accepted input across restarts and gives failed attempts a fresh idempotency key. */
export declare function submitAndConfirmTaskMainUpdate(input: {
    conversationId: string;
    clientMessageId: string;
    content: string;
}, deps: {
    findInput: (conversationId: string, clientMessageId: string) => InputState | undefined;
    submit: (message: typeof input) => Promise<boolean>;
    waitForCompletion: (conversationId: string, clientMessageId: string) => Promise<void>;
}): Promise<boolean>;
export {};