https://maven.fabricmc.net/docs/yarn-1.21.1+build.1/net/minecraft/loot/function/ExplorationMapLootFunction.Builder.html
ExplorationMapLootFunction.Builder (yarn 1.21.1+build.1 API)
declaration: package: net.minecraft.loot.function, class: ExplorationMapLootFunction, class: Builder
builderyarnapi