public ModuleDeploymentProperties setCount(int count) {
		put(COUNT_KEY, String.valueOf(count));
		return this;
	}
Specify the number of container instances this module should be deployed to.
A value of 0 indicates that this module should be deployed to all containers
in the {@code group}. If {@code group} is null and the value is 0, this module
should be deployed to all containers.
spring-xd-module/src/main/java/org/springframework/xd/module/ModuleDeploymentProperties.java