{
	"products" : [
		{
			"_id" : "first_product",
			"bunch" : "a"		
		},
		{
			"_id" : "second_product",
			"bunch" : "b"
		},
		{
			"_id" : "third_product",
			"bunch" : "c"
		},
		{
			"_id" : "fourth_product",
			"bunch" : "d"
		}
	],
	"cart_items" : [
		{
			 "product_id" : "first_product"
		},
		{
			"product_id" : "first_product"
		}
	],
	"wrapper" :
	{
		"levels" : 
		[
			{
				"__comments" : "this is the first level",
				"branches" : 
				[
					{
						"__comments" : "this is the first branch, the category can refer to a bunch of products all being sent in simultaneously. And that is defined in the definitions. ----- from input objects grouped by time slot ---- the input_object_ids from above are reorganized like this before trying to match them to the definitions.",
						"input_object_ids" : 
						["level:branch:definition:unit:object_id","these are not predefined, just the ones which were added to this branch, either directly or because they have the product_bunch."],
						"product_bunch" : "a",
						"merge_output" : true,
						"definitions" : 
						[
							{
								"__comments" : "we want an array of array of definition addresses",
								"input_requirements" : ["array of output object ids, all must share a common start and end time."],
								"time_specifications" : 
								[
									
								],
								"location_specifications" : [
									
								],
								"duration" : 100,
								"entity_categories_needed_simultaneously_with_capacity" : {
									"a1" : 10,
									"a2" : 15,
									"a3" : 16
								},
								"physical_requirements" : {
									"p1" : 2,
									"p2" : 3,
									"p3" : 4
								},
								"merge_output" : true,
								"output_objects" : {
									"citem_id" : 0.2,
									"citem_id2" : 0.4
								},
								"units" : 
								[
									{
										"query_results" : []
									}
								]
							}
						]
					}
				]
			}
		]
	}
}