public Builder setModuleDescriptors(Deque<ModuleDescriptor> descriptors) {
			this.moduleDescriptors.addAll(descriptors);
			return this;
		}
Set the module descriptors for this stream.

@param descriptors list of module descriptors in stream
                   flow order (source is first, sink is last)
@return this builder
spring-xd-dirt/src/main/java/org/springframework/xd/dirt/core/Stream.java