ADD --chown=1 files* /somedir/
COPY --chown=1 files* /somedir/

HEALTHCHECK --interval=5m --timeout=3s \
  CMD foo

ONBUILD HEALTHCHECK --interval=5m --timeout=3s \
  CMD foo

HEALTHCHECK \
  --interval=5m \
  --timeout=3s \
  CMD foo

----------------------------------------------------

[
	["instruction", [
		["keyword", "ADD"],
		["options", [
			["property", "--chown"],
			["punctuation", "="],
			["string", "1"]
		]],
		" files* /somedir/"
	]],
	["instruction", [
		["keyword", "COPY"],
		["options", [
			["property", "--chown"],
			["punctuation", "="],
			["string", "1"]
		]],
		" files* /somedir/"
	]],

	["instruction", [
		["keyword", "HEALTHCHECK"],
		["options", [
			["property", "--interval"],
			["punctuation", "="],
			["string", "5m"],
			["property", "--timeout"],
			["punctuation", "="],
			["string", "3s"]
		]],
		["operator", "\\"],

		["keyword", "CMD"],
		" foo"
	]],

	["instruction", [
		["keyword", "ONBUILD"],
		["keyword", "HEALTHCHECK"],
		["options", [
			["property", "--interval"],
			["punctuation", "="],
			["string", "5m"],
			["property", "--timeout"],
			["punctuation", "="],
			["string", "3s"]
		]],
		["operator", "\\"],

		["keyword", "CMD"],
		" foo"
	]],

	["instruction", [
		["keyword", "HEALTHCHECK"],
		["operator", "\\"],

		["options", [
			["property", "--interval"],
			["punctuation", "="],
			["string", "5m"],
			["operator", "\\"],

			["property", "--timeout"],
			["punctuation", "="],
			["string", "3s"]
		]],
		["operator", "\\"],

		["keyword", "CMD"],
		" foo"
	]]
]