class VersionedValue {

    public final int version; // 表的元数据版本号
    public final Value[] columns;

    public VersionedValue(int version, Value[] columns) {
        this.version = version;
        this.columns = columns;
    }

    @Override
    public String toString() {<FILL_FUNCTION_BODY>}
}

        // StringBuilder buff = new StringBuilder("VersionedValue[ ");
        // buff.append("version = ").append(version);
        // buff.append(", columns = ").append(Arrays.toString(columns)).append(" ]");
        return Arrays.toString(columns);
    
<no_super_class>