/**
 * Creates Git-compatible delta data (the payload format used by OBJ_REF_DELTA
 * and OBJ_OFS_DELTA entries in pack files).
 */
export declare function createGitDelta(base: Uint8Array, target: Uint8Array): Uint8Array;
/**
 * Applies Git delta data onto a base object and returns the reconstructed
 * target object bytes.
 */
export declare function applyGitDelta(base: Uint8Array, delta: Uint8Array): Uint8Array;