public static TlsKeyPair of(InputStream keyInputStream, InputStream certificateChainInputStream) {
        return of(keyInputStream, null, certificateChainInputStream);
    }
Creates a new {@link TlsKeyPair} from the specified key {@link InputStream}, and certificate chain
{@link InputStream}.
core/src/main/java/com/linecorp/armeria/common/TlsKeyPair.java