JBCashOutHookSpecification
A cash out hook specification sent from the ruleset's data hook back to the terminal. This specification is fulfilled by the terminal.
Notes:
- 
member: hook The cash out hook to use when fulfilling this specification.
 - 
member: amount The amount to send to the hook.
 - 
member: metadata Metadata to pass to the hook.
 
struct JBCashOutHookSpecification {
    IJBCashOutHook hook;
    uint256 amount;
    bytes metadata;
}