class StoreError extends Error { } class UploadNotFound extends StoreError { } class OffsetMismatch extends StoreError { } class KeyNotFound extends StoreError { } class UploadLocked extends StoreError { } module.exports = StoreError; module.exports.UploadNotFound = UploadNotFound; module.exports.OffsetMismatch = OffsetMismatch; module.exports.KeyNotFound = KeyNotFound; module.exports.UploadLocked = UploadLocked;