protected String buildPartitionRoutingExpression(String expressionRoot) {
		return "'" + expressionRoot + "-' + headers['" + PARTITION_HEADER + "']";
	}
Validate the provided deployment properties for the producer against those supported by this bus implementation.
When a module sends a message to the bus, the producer uses these properties while sending it to the underlying
infrastructure.
@param name The name.
@param properties The properties.
@param supported The supported properties.
spring-xd-messagebus-spi/src/main/java/org/springframework/xd/dirt/integration/bus/MessageBusSupport.java