This is something we could use to annotate such imported Java types as Sendable.
Others are:
Name
Description
GuardedBy
The field or method to which this annotation is applied can only be accessed when holding a particular lock, which may be a built-in (synchronization) lock, or may be an explicit Lock.
Immutable
The class to which this annotation is applied is immutable.
NotThreadSafe
The class to which this annotation is applied is not thread-safe.
ThreadSafe
The class to which this annotation is applied is thread-safe.
While "dormant" some project do use the JSR-305 annotations, and one of them is https://www.javadoc.io/doc/com.google.code.findbugs/jsr305/latest/javax/annotation/concurrent/ThreadSafe.html
This is something we could use to annotate such imported Java types as
Sendable
.Others are: