import type { ScanBoundaryEvidence } from "./scan-boundary.js";
export declare const SCAN_BOUNDARY_DIFF_SCHEMA_VERSION: "renma.scan-boundary-diff.v1";
export type ScanBoundaryChangeDirection = "weakening" | "tightening";
export type ScanBoundaryChange = {
    kind: "glob";
    direction: ScanBoundaryChangeDirection;
    change: "added" | "removed";
    pattern: string;
} | {
    kind: "exclusion";
    direction: ScanBoundaryChangeDirection;
    change: "added" | "removed";
    pattern: string;
} | {
    kind: "limit";
    direction: ScanBoundaryChangeDirection;
    property: "maxFileSizeBytes" | "maxDepth";
    from: number;
    to: number;
} | {
    kind: "suppression";
    direction: ScanBoundaryChangeDirection;
    change: "added" | "removed" | "lifetime_extended" | "lifetime_shortened";
    suppression: {
        id: string;
        path: string;
        reason: string;
        fromExpires: string | null;
        toExpires: string | null;
    };
};
export interface ScanBoundaryDiff {
    schemaVersion: typeof SCAN_BOUNDARY_DIFF_SCHEMA_VERSION;
    from: ScanBoundaryEvidence;
    to: ScanBoundaryEvidence;
    changes: ScanBoundaryChange[];
}
export declare function buildScanBoundaryDiff(from: ScanBoundaryEvidence, to: ScanBoundaryEvidence): ScanBoundaryDiff;