import { Command } from './command';
import { BinaryTreeHasher } from './hash-binary-tree';
export interface ZopfliNode {
    length: number;
    distance: number;
    dcodeInsertLength: number;
    cost: number;
    shortcut: number;
}
export declare function createZopfliNodes(length: number): ZopfliNode[];
export declare function createZopfliBackwardReferences(numBytes: number, position: number, ringbuffer: Uint8Array, ringbufferMask: number, quality: number, hasher: BinaryTreeHasher, distCache: Int32Array, lastInsertLen: number, npostfix?: number, ndirect?: number): [Command[], number, number];
export declare function createHqZopfliBackwardReferences(numBytes: number, position: number, ringbuffer: Uint8Array, ringbufferMask: number, hasher: BinaryTreeHasher, distCache: Int32Array, lastInsertLen: number, npostfix?: number, ndirect?: number): [Command[], number, number];
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