import type { IssueRef } from '@generacy-ai/cockpit';
export type BodyShape = 'phased' | 'flat';
export type ScopeMutation = {
    kind: 'add';
    ref: IssueRef;
} | {
    kind: 'remove';
    ref: IssueRef;
};
export interface ScopeWriteResult {
    noop: boolean;
    body: string;
    shape: BodyShape;
}
export declare function detectShape(body: string): BodyShape;
/**
 * Pure body writer. Applies the mutation according to shape rules described
 * in contracts/scope-writer.md. Idempotent in both directions.
 */
export declare function applyScopeMutation(body: string, mutation: ScopeMutation): ScopeWriteResult;
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