public Builder setSize(int value) {

        size_ = value;
        bitField0_ |= 0x00000001;
        onChanged();
        return this;
      }
<pre>
The size of the reservation, in the units specified in the
'capacity_units' field.
</pre>

<code>int32 size = 1;</code>

@param value The size to set.
@return This builder for chaining.
java-tpu/proto-google-cloud-tpu-v2alpha1/src/main/java/com/google/cloud/tpu/v2alpha1/Reservation.java