export type DiffStatus = "added" | "modified" | "renamed" | "deleted";
export interface DiffEntry {
    path: string;
    status: DiffStatus;
    oldPath?: string;
}
export interface DiffSet {
    entries: DiffEntry[];
    baseRef: string;
    parsedAt: number;
}
export interface BoundarySubgraph {
    nodes: Set<number>;
    edges: Map<number, Set<number>>;
    fanIn: Map<number, number>;
    seedNodes: Set<number>;
    snapshot: "pre" | "post";
}
export interface NodeLookup {
    idToPath: Map<number, string>;
    pathToId: Map<string, number>;
}
export type ArchitecturalViolation = {
    kind: "cycle";
    nodes: string[];
    newInThisDiff: boolean;
} | {
    kind: "fan_in_spike";
    file: string;
    preFanIn: number;
    postFanIn: number;
    threshold: number;
    newInThisDiff: boolean;
};
export interface AuditReport {
    schema_version: "1";
    pass: boolean;
    diff: {
        base_ref: string;
        modified_paths: string[];
        analyzable_paths: string[];
    };
    violations: ArchitecturalViolation[];
    pre_existing: ArchitecturalViolation[];
    stats: {
        boundary_node_count: number;
        boundary_edge_count: number;
        elapsed_ms: number;
    };
    warnings: string[];
}
export interface AuditDiffOptions {
    baseRef: string;
    fanInThreshold: number;
    format: "human" | "json";
    showExisting: boolean;
    verbose: boolean;
    projectPath: string;
}
export declare const DEFAULT_FAN_IN_THRESHOLD = 50;
export declare const EXIT_PASS = 0;
export declare const EXIT_GATE_FAIL = 1;
export declare const EXIT_CONFIG_ERROR = 2;