ReadonlychromosomeReference chromosome or contig name
ReadonlystartStart position (0-based, inclusive)
ReadonlyendEnd position (0-based, exclusive)
Optional ReadonlynameName of the BED line (BED4+)
Optional ReadonlyscoreScore between 0 and 1000 (BED5+)
Optional ReadonlystrandStrand orientation (BED6+)
Optional ReadonlythickStart of thick/coding region (BED9+)
Optional ReadonlythickEnd of thick/coding region (BED9+)
Optional ReadonlyitemRGB color value (BED9+)
Optional ReadonlyblockNumber of blocks/exons (BED12+)
Optional ReadonlyblockComma-separated list of block sizes (BED12+)
Optional ReadonlyblockComma-separated list of block starts (BED12+)
Optional ReadonlylineOriginal line number for error reporting
Optional ReadonlylengthComputed interval length
Optional ReadonlymidpointComputed midpoint coordinate
Optional ReadonlystatsComputed interval statistics
BED interval representation with computed properties Supports BED3, BED6, BED9, and BED12 formats