# Package net.corda.core.schemas.requery.converters

- Class Summary
  Class | Description
  --- | ---
  InstantConverter | Converts from a Instant to a java.sql.Timestamp for Java 8. Note that when converting between the time type and the database type all times will be converted to the UTC zone offset.
  StateRefConverter | Converts from a `class StateRef` to a Composite Key defined by a String txnHash and an Int index
  VaultStateStatusConverter | Converter which persists a `enum Vault.StateStatus` enum using its enum ordinal representation