public VirtualHostBuilder requestTimeoutMillis(long requestTimeoutMillis) {
        this.requestTimeoutMillis = validateRequestTimeoutMillis(requestTimeoutMillis);
        return this;
    }
Sets the timeout of a request in milliseconds. If not set, the value set via
{@link ServerBuilder#requestTimeoutMillis(long)} is used.

@param requestTimeoutMillis the timeout in milliseconds. {@code 0} disables the timeout.
core/src/main/java/com/linecorp/armeria/server/VirtualHostBuilder.java