presto-thrift-api/src/main/java/io/prestosql/plugin/thrift/api/PrestoThriftNullableToken.java/PrestoThriftNullableToken/equals
class PrestoThriftNullableToken:    @Override
    public boolean equals(Object obj)
    {
        if (this == obj) {
            return true;
        }
        if (obj == null || getClass() != obj.getClass()) {
            return false;
        }
        PrestoThriftNullableToken other = (PrestoThriftNullableToken) obj;
        return Objects.equals(this.token, other.token);
    }