class_docstr: A builder class for blocks.
class_docstr_tok: ["A","builder","class","for","blocks","."]
code: def for_block(block: Block) -> "BlockBuilder":
      return BlockAccessor.for_block(block).builder()
  
file_path: ray/python/ray/data/_internal/block_builder.py
imports: from typing import Generic
  from ray.data.block import Block, BlockAccessor, T
label_desc: Use image node_id 1 for calling the BlockBuilder obj's underlying member method code with example usage: obj.for_block(block) and returns: BlockAccessor