import { type Stats } from "node:fs";
export type RuntimeTreeEntry = {
    path: string;
    type: "directory";
    mode: number;
} | {
    path: string;
    type: "file";
    mode: number;
    size: number;
    sha256: string;
} | {
    path: string;
    type: "link";
    target: string;
};
export declare const runtimeTreeError: () => Error;
export declare function within(root: string, file: string): boolean;
export declare function sameFile(before: Stats, after: Stats): boolean;
/** 有界、无链接跟随的读取；复制硬链接时只采用当前内容，不沿用共享inode。 */
export declare function hashRuntimeFile(file: string, chunk?: (buffer: Buffer) => Promise<void>): Promise<{
    size: number;
    sha256: string;
    mode: number;
}>;
/** 不遍历链接目标；跨根扫描显式投影链接，普通扫描要求目标位于同一棵物理树内。 */
export declare function scanRuntimeTree(root: string, snapshot?: boolean, excludedPaths?: string[], projectLink?: (absolute: string, lexicalTarget: string, realTarget: string) => string): Promise<RuntimeTreeEntry[]>;
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