pub trait OverlapInfo: Debug {
// Required methods
fn check_overlap(&self, a: &SstableInfo) -> bool;
fn check_multiple_overlap(&self, others: &[SstableInfo]) -> Range<usize>;
fn check_multiple_include(&self, others: &[SstableInfo]) -> Range<usize>;
fn update(&mut self, table: &SstableInfo);
}