{
	"$type": "com.fedfork.exec.composition",
	"name": "Compose toys",
	"description": "ui asks lookup to double n (only even n, per the even policy), passing a progress callback; lookup may ask the page to confirm.",
	"instances": [
		{
			"name": "ui",
			"module": "compose"
		},
		{
			"name": "lookup",
			"module": "compose",
			"input": {
				"n": 0
			}
		},
		{
			"name": "even",
			"module": "compose"
		}
	],
	"handlers": [
		{
			"name": "confirm",
			"description": "The page asks the user."
		}
	],
	"edges": [
		{
			"from": "ui",
			"nsid": "com.example.compose.lookup",
			"to": "lookup",
			"reason": "ui needs n doubled",
			"policies": [
				{
					"instance": "even",
					"entry": "even"
				}
			]
		},
		{
			"from": "ui",
			"nsid": "com.example.compose.confirm",
			"handler": "confirm",
			"reason": "ui asks the user before acting"
		}
	],
	"limits": {
		"depth": 4,
		"calls": 20
	}
}