com.signalfx.shaded.javax.annotation.Nullable Maven / Gradle / Ivy
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package com.signalfx.shaded.javax.annotation;
import java.lang.annotation.Documented;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import com.signalfx.shaded.javax.annotation.meta.TypeQualifierNickname;
import com.signalfx.shaded.javax.annotation.meta.When;
/**
* The annotated element could be null under some circumstances.
*
* In general, this means developers will have to read the documentation to
* determine when a null value is acceptable and whether it is necessary to
* check for a null value.
*
* This annotation is useful mostly for overriding a {@link Nonnull} annotation.
* Static analysis tools should generally treat the annotated items as though they
* had no annotation, unless they are configured to minimize false negatives.
* Use {@link CheckForNull} to indicate that the element value should always be checked
* for a null value.
*
* When this annotation is applied to a method it applies to the method return value.
*/
@Documented
@TypeQualifierNickname
@Nonnull(when = When.UNKNOWN)
@Retention(RetentionPolicy.RUNTIME)
public @interface Nullable {
}