/** Replace only the `## Objective` section body with `text`. */
export declare function setObjective(raw: string, text: string): string;
export interface AddAcceptanceCriterionInput {
    given: string;
    when: string;
    then: string;
    name?: string;
}
/** Append a sequentially-numbered `### AC-N:` block to `## Acceptance Criteria`. */
export declare function addAcceptanceCriterion(raw: string, input: AddAcceptanceCriterionInput): string;
export interface AddTaskInput {
    files: string[];
    action: string;
    verify: string;
    /** AC ids this task's `done:` line references; each must already exist in the draft. */
    done: string[];
}
/**
 * Append a sequentially-numbered `### TN:` block to `## Tasks`. Throws
 * (leaving `raw` unmodified) if any `done` AC id is not present among the
 * draft's current acceptance criteria.
 */
export declare function addTask(raw: string, input: AddTaskInput): string;
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