public Builder clearXmin() {
          bitField0_ = (bitField0_ & ~0x00000001);
          xmin_ = 0F;
          onChanged();
          return this;
        }
<pre>
Min in x coordinate.
</pre>

<code>float xmin = 1;</code>

@return This builder for chaining.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/ObjectDetectionPredictionResult.java