public GetContextKeysForCustomPolicyResult withContextKeyNames(java.util.Collection<String> contextKeyNames) {
        setContextKeyNames(contextKeyNames);
        return this;
    }
<p>
The list of context keys that are referenced in the input policies.
</p>

@param contextKeyNames
       The list of context keys that are referenced in the input policies.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-iam/src/main/java/com/amazonaws/services/identitymanagement/model/GetContextKeysForCustomPolicyResult.java