Błąd TS1056

# If you're getting the 
	"script.ts:9:8 - error TS1056: Accessors are only available when targeting ECMAScript 5 and higher."
# in typescript compliation you need to change your target for compiling in cmd
# like:
tsc -t es5 script.ts
# or
tsc -target es6 script.ts
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