final: prev: {
  ioskeley-input = prev.iosevka.override {
    set = "IosevkaInput";
    privateBuildPlan = {
      family = "IosevkaInput";
      spacing = "fixed";
      serifs = "sans";
      noLigation = true;
      exportGlyphNames = false;

      variants.design = {
        one = "base";
        two = "curly-neck-serifless";
        three = "flat-top-serifless";
        four = "closed-serifless";
        five = "upright-flat-serifless";
        six = "closed-contour";
        seven = "straight-serifless";
        eight = "two-circles";
        nine = "closed-contour";
        zero = "oval-long-dotted";
        capital-a = "straight-serifless";
        capital-b = "standard-serifless";
        capital-c = "bilateral-inward-serifed";
        capital-d = "standard-serifless";
        capital-e = "serifless";
        capital-f = "serifless";
        capital-g = "toothless-corner-serifless-hooked";
        capital-h = "serifless";
        capital-i = "serifed";
        capital-j = "serifless";
        capital-k = "symmetric-connected-serifless";
        capital-l = "serifless";
        capital-m = "hanging-serifless";
        capital-n = "standard-serifless";
        capital-p = "closed-serifless";
        capital-q = "crossing-curly-tailed";
        capital-r = "straight-serifless";
        capital-s = "bilateral-inward-serifed";
        capital-t = "serifless";
        capital-u = "toothless-rounded-serifless";
        capital-v = "curly-serifless";
        capital-w = "straight-vertical-sides-serifless";
        capital-x = "curly-serifless";
        capital-y = "curly-serifless";
        capital-z = "straight-serifed";
        a = "double-storey-toothless-corner";
        b = "toothless-corner-serifless";
        c = "serifless";
        d = "toothless-corner-serifless";
        e = "flat-crossbar";
        f = "flat-hook-serifless-crossbar-at-x-height";
        g = "double-storey";
        h = "straight-serifless";
        i = "zshaped";
        j = "flat-hook-serifed";
        k = "straight-serifless";
        l = "zshaped";
        m = "earless-rounded-double-arch-short-leg-serifless";
        n = "earless-corner-straight-serifless";
        p = "earless-corner-serifless";
        q = "earless-corner-straight-serifless";
        r = "earless-corner-serifless";
        s = "serifless";
        t = "flat-hook";
        u = "toothless-corner-serifless";
        v = "straight-serifless";
        w = "rounded-vertical-sides-serifless";
        x = "straight-serifless";
        y = "straight-turn-serifless";
        z = "straight-serifless";
        capital-eszet = "corner-serifless";
        long-s = "bent-hook-serifless";
        eszet = "sulzbacher-serifless";
        lower-eth = "straight-bar";
        capital-thorn = "serifless";
        lower-thorn = "serifless";
        lower-alpha = "crossing";
        lower-beta = "standard";
        capital-gamma = "serifless";
        lower-gamma = "casual";
        capital-delta = "straight";
        lower-delta = "flat-top";
        lower-eta = "earless-corner-serifless";
        lower-theta = "capsule";
        lower-iota = "serifed-semi-tailed";
        lower-kappa = "straight-serifless";
        capital-lambda = "straight-serifless";
        lower-lambda = "straight";
        lower-mu = "toothless-corner-serifless";
        lower-nu = "casual";
        lower-xi = "flat-top";
        lower-pi = "tailless";
        lower-tau = "semi-tailed";
        lower-upsilon = "casual-serifless";
        lower-phi = "cursive";
        lower-chi = "semi-chancery-straight-serifless";
        lower-psi = "flat-top-serifless";
        partial-derivative = "straight-bar";
        cyrl-a = "single-storey-earless-corner-tailed";
        cyrl-ve = "standard-serifless";
        cyrl-capital-zhe = "symmetric-connected";
        cyrl-zhe = "symmetric-connected";
        cyrl-capital-ze = "bilateral-inward-serifed";
        cyrl-ze = "serifless";
        cyrl-capital-ka = "symmetric-connected-bottom-right-serifed";
        cyrl-ka = "symmetric-connected-serifless";
        cyrl-el = "straight";
        cyrl-em = "flat-bottom-serifless";
        cyrl-capital-en = "serifed";
        cyrl-en = "serifless";
        cyrl-capital-er = "closed-serifed";
        cyrl-er = "eared-serifed";
        cyrl-capital-u = "cursive-serifless";
        cyrl-u = "cursive-serifless";
        cyrl-ef = "serifless";
        cyrl-che = "standard";
        cyrl-yeri = "corner";
        cyrl-yery = "corner";
        cyrl-capital-e = "bilateral-inward-serifed";
        cyrl-e = "serifless";
        cyrl-capital-ya = "standing-serifless";
        cyrl-ya = "standing-serifless";
        tittle = "round";
        diacritic-dot = "round";
        punctuation-dot = "round";
        braille-dot = "square";
        tilde = "low";
        asterisk = "hex-low";
        underscore = "above-baseline";
        caret = "medium";
        ascii-grave = "straight";
        ascii-single-quote = "straight";
        paren = "normal";
        brace = "curly-flat-boundary";
        guillemet = "straight";
        number-sign = "upright";
        ampersand = "closed";
        at = "fourfold";
        dollar = "through";
        cent = "through";
        percent = "rings-continuous-slash";
        bar = "force-upright";
        question = "corner";
        pilcrow = "high";
        micro-sign = "tailed-serifless";
        decorative-angle-brackets = "middle";
      };

      weights = {
        W360 = {
          shape = 360;
          menu = 360;
          css = 360;
        };
        Heavy = {
          shape = 900;
          menu = 900;
          css = 900;
        };
      };

      slopes = {
        Upright = {
          angle = 0;
          shape = "upright";
          menu = "upright";
          css = "normal";
        };
        Oblique = {
          angle = 15;
          shape = "oblique";
          menu = "oblique";
          css = "oblique";
        };
      };

      widths.Normal = {
        shape = 575;
        menu = 5;
        css = "normal";
      };

      metricOverride = {
        leading = 1100;
        parenSize = 950;
        cap = 800;
        ascender = 800;
        xHeight = 600;
        dotSize = "blend(weight, [100, 50], [360, 140], [900, 190])";
        periodSize = "blend(weight, [100, 55], [360, 160], [900, 215])";
      };
    };
  };
}