pub trait RawData: Debug {
// Required methods
fn validate(&self, df: &DataFrame) -> PolarsResult<bool>;
fn validate_series(
&self,
series_data: &HashMap<PlSmallStr, Series>,
df: &DataFrame,
) -> PolarsResult<bool>;
fn format(&self) -> PolarsResult<Vec<(PlSmallStr, AnyValue<'_>)>>;
}