import type { EntryShape } from "../../types.js";
/**
 * Internal representation of an entry's data, used by batch primitives
 * (diff/merge/cherry-pick/revert/detach) to apply pre-fetched rows back into
 * `fs_entries` without re-reading or re-hashing content. Mirrors the public
 * `EntryShape` from `types.ts`, but holds a raw `Uint8Array` blob hash for
 * direct binding to PostgreSQL. `mtime` is the source row's mtime; the write
 * path stamps `now()` regardless and ignores this field.
 */
export interface InternalEntryShape {
    type: "file" | "directory" | "symlink";
    blobHash: Uint8Array | null;
    symlinkTarget: string | null;
    mode: number;
    sizeBytes: number;
    mtime: Date;
}
/**
 * Semantic equality for entry shapes. Compares `type`, `blob_hash`,
 * `symlink_target`, and `mode`. Ignores `mtime`, `size_bytes`, `created_at`.
 * `size_bytes` is derived from blob/symlink content; comparing it would be
 * redundant with `blob_hash` and `symlink_target`.
 */
export declare function entryShapeEqual(a: InternalEntryShape | null, b: InternalEntryShape | null): boolean;
/**
 * Convert an `InternalEntryShape` (with raw `Uint8Array` blob hash) into the
 * public `EntryShape` (with hex-encoded blob hash). Used for `merge()` /
 * `cherryPick()` / `revert()` conflict reports.
 */
export declare function toPublicEntryShape(s: InternalEntryShape | null): EntryShape | null;
export declare function mapDiffSide(type: string | null, hash: Uint8Array | null, symlinkTarget: string | null, mode: number | null, size: number | string | null, mtime: Date | null): EntryShape | null;
export declare function classifyDiffChange(before: EntryShape | null, after: EntryShape | null): "added" | "removed" | "modified" | "type-changed";
/**
 * Resolve a `fs_blobs` row into text content for a diff entry. Returns
 * `null` for non-files (directories, symlinks, absent side); falls back to
 * UTF-8 decoding of `binary_data` when the row has no `content` column —
 * the storage layer chooses one or the other based on whether the blob
 * was originally text.
 */
export declare function decodeBlobContent(side: EntryShape | null, content: string | null, binary: Uint8Array | null): string | null;
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