The following configuration is used in the OreExcavation mod to support the vanilla Minecraft Ores. Note, there are different format files, depending on the verison.
#Common settings for 1.15
[common]
#How many blocks per tick can be excavated
#Range: > 1
Speed = 64
#Use alternate check for tool validity (e.g. swords on webs)
"Alt Tools" = false