This package is part of ChainSafe's Lodestar project
See usage in the lodestar
package here:
https://github.com/ChainSafe/lodestar/blob/0cf18e3bedcbf402e46917d402eb92938dafd49c/packages/lodestar/src/db/api/beacon/beacon.ts#L27
Apache-2.0 ChainSafe Systems