Available fontconfig .conf files (* is enabled):
  [1]   09-texlive.conf
  [2]   10-autohint.conf *
  [3]   10-hinting-full.conf
  [4]   10-hinting-medium.conf
  [5]   10-hinting-none.conf
  [6]   10-hinting-slight.conf *
  [7]   10-no-sub-pixel.conf
  [8]   10-scale-bitmap-fonts.conf *
  [9]   10-sub-pixel-bgr.conf
  [10]  10-sub-pixel-rgb.conf *
  [11]  10-sub-pixel-vbgr.conf
  [12]  10-sub-pixel-vrgb.conf *
  [13]  10-unhinted.conf
  [14]  11-lcdfilter-default.conf *
  [15]  11-lcdfilter-legacy.conf *
  [16]  11-lcdfilter-light.conf *
  [17]  20-unhint-small-dejavu-sans-mono.conf *
  [18]  20-unhint-small-dejavu-sans.conf *
  [19]  20-unhint-small-dejavu-serif.conf *
  [20]  20-unhint-small-vera.conf *
  [21]  25-unhint-nonlatin.conf
  [22]  30-metric-aliases.conf *
  [23]  40-nonlatin.conf *
  [24]  45-generic.conf *
  [25]  45-latin.conf *
  [26]  49-sansserif.conf *
  [27]  50-user.conf *
  [28]  51-local.conf *
  [29]  57-dejavu-sans-mono.conf *
  [30]  57-dejavu-sans.conf *
  [31]  57-dejavu-serif.conf *
  [32]  60-generic.conf *
  [33]  60-latin.conf *
  [34]  60-liberation.conf *
  [35]  61-stix.conf *
  [36]  65-fonts-persian.conf *
  [37]  65-khmer.conf *
  [38]  65-nonlatin.conf *
  [39]  66-noto-mono.conf *
  [40]  66-noto-sans.conf *
  [41]  66-noto-serif.conf *
  [42]  69-unifont.conf *
  [43]  70-no-bitmaps.conf *
  [44]  70-noto-cjk.conf *
  [45]  70-yes-bitmaps.conf *
  [46]  80-delicious.conf *
  [47]  90-synthetic.conf *