proc avg(img: Image): float64 {....raises: [VipsError], tags: [], forbids: [].}

proc cumulativeHistogram(img: Image; bins: int = 256): seq[float64] {.
    ...raises: [VipsError], tags: [], forbids: [].}

proc deltaE(img1, img2: Image; mode: DeltaEMode = dE76): float64 {.
    ...raises: [VipsError], tags: [], forbids: [].}

proc deviate(img: Image): float64 {....raises: [VipsError], tags: [], forbids: [].}

proc dominantColors(img: Image; count: int = 5; accuracy: int = 10): seq[
    ColorEntry] {....raises: [VipsError], tags: [], forbids: [].}

proc equalize(img: Image): Image {....raises: [VipsError], tags: [], forbids: [].}

proc findTrim(img: Image): tuple[left, top, width, height: int] {.
    ...raises: [VipsError], tags: [], forbids: [].}

proc getPoint(img: Image; x, y: int): seq[cdouble] {....raises: [VipsError],
    tags: [], forbids: [].}

proc histogram(img: Image): Image {....raises: [VipsError], tags: [], forbids: [].}

proc histogramData(img: Image; bins: int = 256): seq[float64] {.
    ...raises: [VipsError], tags: [], forbids: [].}

proc max(img: Image): float64 {....raises: [VipsError], tags: [], forbids: [].}

proc min(img: Image): float64 {....raises: [VipsError], tags: [], forbids: [].}

proc stats(img: Image): seq[seq[float64]] {....raises: [VipsError], tags: [],
    forbids: [].}