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| SUMMARY: REQUIRED | OPTIONAL | DETAIL: ELEMENT | |||||||||
@Target(value={PARAMETER,FIELD,METHOD})
@Retention(value=SOURCE)
@Documented
public @interface Optional
Marks a Configurable field or a
Processor/Source parameters as optional.
If wanted to define some default value different from null. @Default annotation should be used.
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| SUMMARY: REQUIRED | OPTIONAL | DETAIL: ELEMENT | |||||||||