(
	instructions: {
		0: Read((
			source: File("testfiles/rails.png"),
			format: Png,
		)),
		1: Write((
			target: File("testfiles/gen/out.jpg"),
			format: Jpeg,
		)),
	},
	edges: {
		(on: 0, idx: 0): [
			(on: 1, idx: 0),
		],
	},
)