/** 从二级制数据中找到一块数据，根据标识头与标识尾 */
export declare function findBlockOfData(data: ArrayBuffer | Uint8Array, blockStart: ArrayBuffer | Uint8Array, blockEnd: ArrayBuffer | Uint8Array, startOffset?: number, 
/** 结果不包含起始与结束 */
withoutStarEnd?: boolean): {
    block: Uint8Array;
    offsetStart: number;
    offsetEnd: number;
} | void;
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