proc `$`[T](x: GrowArray[T]): string

proc `==`[T](a, b: GrowArray[T]): bool

proc `[]`[T](x: GrowArray[T]; i: int): lent T {.inline.}

proc `[]`[T](x: GrowArray[T]; i: UncheckedIndex): lent T {.inline.}

proc `[]`[T](x: var GrowArray[T]; i: int): var T {.inline.}

proc `[]`[T](x: var GrowArray[T]; i: UncheckedIndex): var T {.inline.}

proc `[]=`[T](x: var GrowArray[T]; i: int; val: sink T) {.inline.}

proc `[]=`[T](x: var GrowArray[T]; i: UncheckedIndex; val: sink T) {.inline.}

proc add[T](a: var GrowArray[T]; item: sink T)

proc capacity[T](a: GrowArray[T]): int {.inline.}

proc del[T](a: var GrowArray[T]; i: int)

proc hash[T](a: GrowArray[T]): Hash

proc initGrowArray[T](length: int): GrowArray[T]

proc initGrowArrayOfCap[T](cap: int = 4): GrowArray[T] {.inline.}

proc initGrowArrayUninit[T](length: int): GrowArray[T] {.inline.}

proc len[T](x: GrowArray[T]): int {.inline.}

proc pop[T](a: var GrowArray[T]): T

proc setCapacity[T](a: var GrowArray[T]; cap: int)

proc setLen[T](a: var GrowArray[T]; newLen: int)

proc setLenUninit[T](a: var GrowArray[T]; newLen: int) {.inline.}

proc toGrowArray[T](arr: openArray[T]): GrowArray[T]

proc toGrowArray[T](arr: sink Array[T]): GrowArray[T]

iterator items[T](x: GrowArray[T]): T

iterator mitems[T](x: var GrowArray[T]): var T

iterator mpairs[T](x: var GrowArray[T]): (int, var T)

iterator pairs[T](x: GrowArray[T]): (int, T)

template toOpenArray[T](x: GrowArray[T]; first, last: int): auto