import type { InteractiveImageAttachment } from '../interactive/imageAttachments.js';
export interface PersistedTaskOrderRevision {
    readonly taskDirRelative?: string;
    readonly taskDir?: string;
    readonly created: boolean;
    /** Roll back only when the subsequent task-record mutation has failed. */
    readonly rollback: () => void;
}
/**
 * Resolve the canonical order used by retry/instruct.
 *
 * Existing task records always win over run-context copies. Records written by
 * older versions without task_dir retain their task text as a compatibility
 * fallback.
 */
export declare function resolveTaskOrderContent(projectDir: string, taskDir: string | undefined, legacyContent: string): string;
/**
 * Make the confirmation text and the persisted order agree about attachments.
 */
export declare function ensureOrderAttachmentContent(content: string, attachments: readonly InteractiveImageAttachment[], lang: 'en' | 'ja'): string;
export declare function resolveMaxImageIndex(content: string): number;
/**
 * Persist an approved full order. The same function is used by Retry and
 * completed-task Instruct; execution/task-state transitions stay with callers.
 */
export declare function persistTaskOrderRevision(projectDir: string, taskDir: string | undefined, approvedOrderContent: string, lang: 'en' | 'ja', attachments?: readonly InteractiveImageAttachment[]): PersistedTaskOrderRevision;
export declare function cleanupPersistedTaskOrderRevision(revision: PersistedTaskOrderRevision | undefined): void;
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