public Builder setSha256(com.google.protobuf.ByteString value) {
        if (value == null) {
          throw new NullPointerException();
        }
        sha256_ = value;
        bitField0_ |= 0x00000001;
        onChanged();
        return this;
      }
<pre>
The SHA256 hash of the client state; that is, of the sorted list of all
hashes present in the database.
</pre>

<code>bytes sha256 = 1;</code>

@param value The sha256 to set.
@return This builder for chaining.
java-webrisk/proto-google-cloud-webrisk-v1beta1/src/main/java/com/google/webrisk/v1beta1/ComputeThreatListDiffResponse.java