- _json_export "${cur}_$var" "$3"
- _json_export "TYPE_${cur}_$var" "$1"
- _jshn_append "JSON_UNSET" "${cur}_$var"
- _json_add_key "$cur" "$var"
+ export -- \
+ "${JSON_PREFIX}${4}_$var=$3" \
+ "${JSON_PREFIX}TYPE_${4}_$var=$1"
+ _jshn_append "JSON_UNSET" "${4}_$var"
+ _jshn_append "KEYS_$4" "$var"