pub fn fold_iceberg_sink_mode<F, T: AstInfo, T2: AstInfo>(
folder: &mut F,
node: IcebergSinkMode,
) -> IcebergSinkModepub fn fold_iceberg_sink_mode<F, T: AstInfo, T2: AstInfo>(
folder: &mut F,
node: IcebergSinkMode,
) -> IcebergSinkMode