public Builder secretRef(@Nullable Output<SecretReferencePatchArgs> secretRef) {
            $.secretRef = secretRef;
            return this;
        }
@param secretRef secretRef is Optional: points to a secret object containing parameters used to connect to OpenStack.

@return builder
sdk/java/src/main/java/com/pulumi/kubernetes/core/v1/inputs/CinderPersistentVolumeSourcePatchArgs.java