#  declare -a X=([0]="1 1" [1]="2 2" [2]="3 3")
#  declare -A Y
#  declare -a Z=([0]="1 1" [1]="2 2" [2]="3 3")
function kube::util::read-array {
  if [[ -z "$1" ]]; then
    echo "usage: ${FUNCNAME[0]} <varname>" >&2
    return 1
  fi
  if [[ -n $(declare -p "$1" 2>/dev/null) ]]; then
    if ! declare -p "$1" 2>/dev/null | grep -q '^declare -a'; then
      echo "${FUNCNAME[0]}: $1 is defined but isn't an array" >&2

  <mime-type type="application/vnd.japannet-setstore-wakeup"/>
  <mime-type type="application/vnd.japannet-verification"/>
  <mime-type type="application/vnd.japannet-verification-wakeup"/>
  <mime-type type="application/vnd.jcp.javame.midlet-rms">
    <glob pattern="*.rms"/>
  </mime-type>
  <mime-type type="application/vnd.jisp">
    <glob pattern="*.jisp"/>
  </mime-type>
  <mime-type type="application/vnd.joost.joda-archive">