@Nullable
    default Integer defaultMaxTotalAttempts() {
        return null;
    }
Returns the default maximum number of total attempts. Note that this flag has no effect if a user
specified the value explicitly when creating a {@link RetryingClient} or a {@link RetryingRpcClient}.

<p>The default value of this flag is {@value DefaultFlagsProvider#DEFAULT_MAX_TOTAL_ATTEMPTS}.
Specify the {@code -Dcom.linecorp.armeria.defaultMaxTotalAttempts=<integer>} JVM option to
override the default value.
core/src/main/java/com/linecorp/armeria/common/FlagsProvider.java