public Builder clearBlockType() {
      bitField0_ = (bitField0_ & ~0x00000008);
      blockType_ = 0;
      onChanged();
      return this;
    }
<pre>
Detected block type (text, image etc) for this block.
</pre>

<code>.google.cloud.vision.v1p2beta1.Block.BlockType block_type = 4;</code>

@return This builder for chaining.
java-vision/proto-google-cloud-vision-v1p2beta1/src/main/java/com/google/cloud/vision/v1p2beta1/Block.java