public Builder setYMin(long value) {

        yMin_ = value;
        bitField0_ |= 0x00000002;
        onChanged();
        return this;
      }
<pre>
The minimum y coordinate value.
</pre>

<code>optional int64 y_min = 2;</code>

@param value The yMin to set.
@return This builder for chaining.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/Partition.java