public RandomBackoffBuilder maxDelayMillis(long maxDelayMillis) {
        checkArgument(maxDelayMillis >= 0, "maxDelayMillis: %s (expected: >= 0)", maxDelayMillis);
        this.maxDelayMillis = maxDelayMillis;
        return this;
    }
Sets the maximum delay, in milliseconds, for the Random {@link Backoff}.

<p>This value represents the maximum time the backoff will delay before retrying an operation.</p>

@param maxDelayMillis the maximum delay in milliseconds
@return this {@code RandomBackoffBuilder} instance for method chaining
core/src/main/java/com/linecorp/armeria/client/retry/RandomBackoffBuilder.java