export interface ClassicTask {
    id: string | null;
    text: string;
    completed: boolean;
    line: number;
}
/** One parser for completion, recovery and handoff; fenced examples are not work. */
export declare function parseClassicTasks(source: string): ClassicTask[];
export declare function classicTaskRequirements(source: string): string;
export declare function classicTaskRevision(source: string): string;
export declare function assignClassicTaskIds(source: string): string;
export declare function completeClassicTask(source: string, id: string, expectedRevision: string): string;
export declare function inspectClassicPlanTasks(plan: string, tasks: ClassicTask[]): {
    total: number;
    unmapped: ClassicTask[];
};
/** Legacy checkboxes are a projection of explicitly mapped IDs, never a second authority. */
export declare function synchronizeClassicPlanTasks(plan: string, tasks: ClassicTask[]): string;
export declare function validateClassicTaskPlan(plan: string, authority: string, tasks: ClassicTask[]): 'canonical' | 'legacy';
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