export declare const EMPTY_LINE_TOKENS: ArrayBuffer;
export declare class ContiguousTokensEditing {
    static deleteBeginning(lineTokens: Uint32Array | ArrayBuffer | null, toChIndex: number): Uint32Array | ArrayBuffer | null;
    static deleteEnding(lineTokens: Uint32Array | ArrayBuffer | null, fromChIndex: number): Uint32Array | ArrayBuffer | null;
    static delete(lineTokens: Uint32Array | ArrayBuffer | null, fromChIndex: number, toChIndex: number): Uint32Array | ArrayBuffer | null;
    static append(lineTokens: Uint32Array | ArrayBuffer | null, _otherTokens: Uint32Array | ArrayBuffer | null): Uint32Array | ArrayBuffer | null;
    static insert(lineTokens: Uint32Array | ArrayBuffer | null, chIndex: number, textLength: number): Uint32Array | ArrayBuffer | null;
}
export declare function toUint32Array(arr: Uint32Array | ArrayBuffer): Uint32Array<ArrayBuffer>;