import type { KanbanToolInput, KanbanToolOutput } from './kanban-tool-types.js';
/**
 * Handle a contract-map action, or return `undefined` when the action belongs
 * to another handler. Mirrors the shape of `handleKanbanDetailAction`.
 */
export declare function handleKanbanContractAction(projectRoot: string, input: KanbanToolInput, actor: string | undefined, sessionId: string): Promise<KanbanToolOutput | undefined>;
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