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TSで関数をinterfaceで宣言
Nakano as a Serviceinterface TestFunc {
(a: number): number
(a: number, b: number): number
}
var x: TestFunc
x(1)
x(1,1)
interface TestFunc {
(a: number): number
(a: number, b: number): number
}
var x: TestFunc
x(1)
x(1,1)