export declare const NUM_INS_COPY_CODES = 24;
export declare const INSERT_LENGTH_BASE: Uint32Array<ArrayBuffer>;
export declare const INSERT_LENGTH_EXTRA: Uint32Array<ArrayBuffer>;
export declare const COPY_LENGTH_BASE: Uint32Array<ArrayBuffer>;
export declare const COPY_LENGTH_EXTRA: Uint32Array<ArrayBuffer>;
export declare function getInsertLengthCode(insertLen: number): number;
export declare function getCopyLengthCode(copyLen: number): number;
export declare function combineLengthCodes(insCode: number, copyCode: number, useLastDistance: boolean): number;
export declare function getLengthCode(insertLen: number, copyLen: number, useLastDistance: boolean): number;
export declare function getInsertBase(insCode: number): number;
export declare function getInsertExtra(insCode: number): number;
export declare function getCopyBase(copyCode: number): number;
export declare function getCopyExtra(copyCode: number): number;
export declare function prefixEncodeCopyDistance(distanceCode: number, numDirectCodes: number, postfixBits: number): [number, number, number];
export interface Command {
    insertLen: number;
    copyLen: number;
    distExtra: number;
    cmdPrefix: number;
    distPrefix: number;
}
export declare function createCommand(insertLen: number, copyLen: number, copyLenCodeDelta: number, distanceCode: number, numDirectCodes?: number, postfixBits?: number): Command;
export declare function createInsertCommand(insertLen: number): Command;
export declare function commandCopyLen(cmd: Command): number;
export declare function commandCopyLenCode(cmd: Command): number;
export declare function commandDistanceContext(cmd: Command): number;
export declare function commandRestoreDistanceCode(cmd: Command, numDirectCodes: number, postfixBits: number): number;
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