/**
 * Parser for ido4 structured context comments.
 *
 * ido4 context comments use HTML comment markers for machine parseability:
 *   <!-- ido4:context transition=start agent=agent-beta timestamp=2026-03-13T10:00:00Z -->
 *   ... content ...
 *   <!-- /ido4:context -->
 */
import type { TaskComment } from '../../container/interfaces.js';
export interface Ido4ContextBlock {
    transition: string;
    agent?: string;
    timestamp?: string;
    body: string;
}
/**
 * Parse ido4 structured context blocks from a comment body.
 */
export declare function parseIdo4ContextBlocks(commentBody: string): Ido4ContextBlock[];
/**
 * Parse ido4 context blocks from an array of TaskComments.
 * Returns all structured context blocks found across all comments.
 */
export declare function parseIdo4ContextComments(comments: TaskComment[]): Ido4ContextBlock[];
/**
 * Filter comments to only those containing ido4 context markers.
 */
export declare function filterIdo4ContextComments(comments: TaskComment[]): TaskComment[];
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