public String getMaxConcurrency() {
        return this.maxConcurrency;
    }
<p>
The maximum number of managed nodes that are allowed to run the command at the same time. You can specify a
number of managed nodes, such as 10, or a percentage of nodes, such as 10%. The default value is 50. For more
information about how to use <code>MaxConcurrency</code>, see <a
href="https://docs.aws.amazon.com/systems-manager/latest/userguide/run-command.html">Amazon Web Services Systems
Manager Run Command</a> in the <i>Amazon Web Services Systems Manager User Guide</i>.
</p>

@return The maximum number of managed nodes that are allowed to run the command at the same time. You can specify
        a number of managed nodes, such as 10, or a percentage of nodes, such as 10%. The default value is 50.
        For more information about how to use <code>MaxConcurrency</code>, see <a
        href="https://docs.aws.amazon.com/systems-manager/latest/userguide/run-command.html">Amazon Web Services
        Systems Manager Run Command</a> in the <i>Amazon Web Services Systems Manager User Guide</i>.
aws-java-sdk-ssm/src/main/java/com/amazonaws/services/simplesystemsmanagement/model/Command.java