Another set of capabilities to merge into this instance.
The capability to return.
any
The capability with the given key, or {@code null} if it has not been set.
The capability to check.
boolean
Whether the specified capability is set.
Merges another set of capabilities into this instance. Any duplicates in the provided set will override those already set on this instance.
The capabilities to merge into this instance.
A self reference.
The capability to set.
The capability value. Capability values must be JSON serializable. Pass {@code null} to unset the capability.
A self reference.
any
The JSON representation of this instance.