export class NaishoSnapshotBasedOnOutdatedSnapshotError extends Error { constructor ( message ) { super ( message ) ; this . name = this . constructor . name ; Error . captureStackTrace ( this , this . constructor ) ; } } export class NaishoSnapshotMissesUpdatesError extends Error { constructor ( message ) { super ( message ) ; this . name = this . constructor . name ; Error . captureStackTrace ( this , this . constructor ) ; } }