public Optional<Output<String>> signerName() {
        return Optional.ofNullable(this.signerName);
    }
@return Select all ClusterTrustBundles that match this signer name. Mutually-exclusive with name.  The contents of all selected ClusterTrustBundles will be unified and deduplicated.
sdk/java/src/main/java/com/pulumi/kubernetes/core/v1/inputs/ClusterTrustBundleProjectionArgs.java