iVUdZddlmZddlmZdZded<eddhZd ed <d d Z y )z*Stage 1a: BOM (Byte Order Mark) detection.) annotations)DetectionResult))z utf-32-be)z utf-32-le)sz utf-8-sig)sz utf-16-be)sz utf-16-leztuple[tuple[bytes, str], ...]_BOMSrrzfrozenset[bytes] _UTF32_BOMSctD]N\}}|j|s|tvr t|t|z }|dzdk7r@t |ddcSy)zCheck for a byte order mark at the start of *data*. :param data: The raw byte data to examine. :returns: A :class:`DetectionResult` with confidence 1.0, or ``None``. rg?N)encoding confidencelanguage)r startswithrlenr)data bom_bytesr payload_lens d/Users/bowang/.openclaw/workspace/ChatDev/.venv/lib/python3.12/site-packages/chardet/pipeline/bom.py detect_bomrs^ % 8 ??9 % K'!$i#i.8 ?a'"HtT T % N)rbytesreturnzDetectionResult | None) __doc__ __future__rchardet.pipelinerr__annotations__ frozensetrrrrrs;0",($!*+>@S*T U Ur