class CreateSnapshotResponse extends TransportResponse implements ToXContentObject {

    @Nullable
    private SnapshotInfo snapshotInfo;

    CreateSnapshotResponse(@Nullable SnapshotInfo snapshotInfo) {
        this.snapshotInfo = snapshotInfo;
    }

    CreateSnapshotResponse() {
    }

    /**
     * Returns snapshot information if snapshot was completed by the time this method returned or null otherwise.
     *
     * @return snapshot information or null
     */
    public SnapshotInfo getSnapshotInfo() {
        return snapshotInfo;
    }

    public CreateSnapshotResponse(StreamInput in) throws IOException {
        snapshotInfo = in.readOptionalWriteable(SnapshotInfo::new);
    }

    @Override
    public void writeTo(StreamOutput out) throws IOException {
        out.writeOptionalWriteable(snapshotInfo);
    }

    /**
     * Returns HTTP status
     * <ul>
     * <li>{@link RestStatus#ACCEPTED} if snapshot is still in progress</li>
     * <li>{@link RestStatus#OK} if snapshot was successful or partially successful</li>
     * <li>{@link RestStatus#INTERNAL_SERVER_ERROR} if snapshot failed completely</li>
     * </ul>
     */
    public RestStatus status() {
        if (snapshotInfo == null) {
            return RestStatus.ACCEPTED;
        }
        return snapshotInfo.status();
    }

    @Override
    public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {<FILL_FUNCTION_BODY>}

    @Override
    public String toString() {
        return "CreateSnapshotResponse{" +
            "snapshotInfo=" + snapshotInfo +
            '}';
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;
        CreateSnapshotResponse that = (CreateSnapshotResponse) o;
        return Objects.equals(snapshotInfo, that.snapshotInfo);
    }

    @Override
    public int hashCode() {
        return Objects.hash(snapshotInfo);
    }
}

        builder.startObject();
        if (snapshotInfo != null) {
            builder.field("snapshot");
            snapshotInfo.toXContent(builder, params);
        } else {
            builder.field("accepted", true);
        }
        builder.endObject();
        return builder;
    
<methods>public non-sealed void <init>() <variables>