Here is code that is minish
StartupEvents.registry("block", event => {
event.create('black_hole_stabilizer')
.displayName("Black Hole Stabilizer")
.soundType('metal')
.resistance(6).hardness(5)
.tagBlock("mineable/pickaxe").requiresTool(true)
.textureAll('kubejs:block/black_hole_containment/casing');
event.create("containment_casing", 'gtceu:renderer')
.displayName("Containment Casing")
.soundType('metal')
.hardness(2.5)
.resistance(2.5)
.requiresTool(true)
.tagBlock("mineable/pickaxe")
.textureOverrideRenderer('minecraft:block/cube_all', { 'all': new ResourceLocation('kubejs', 'block/black_hole_containment/casing') })
})