public AssociationExecutionTargetsFilter withKey(String key) {
        setKey(key);
        return this;
    }
<p>
The key value used in the request.
</p>

@param key
       The key value used in the request.
@return Returns a reference to this object so that method calls can be chained together.
@see AssociationExecutionTargetsFilterKey
aws-java-sdk-ssm/src/main/java/com/amazonaws/services/simplesystemsmanagement/model/AssociationExecutionTargetsFilter.java