1.13.1
Package
net.minecraft.advancements
net.minecraft.advancements.criterion
net.minecraft.block
net.minecraft.block.material
net.minecraft.block.state
net.minecraft.block.state.pattern
net.minecraft.block.trees
net.minecraft.client
net.minecraft.client.audio
net.minecraft.client.entity
net.minecraft.client.gui
net.minecraft.client.gui.achievement
net.minecraft.client.gui.advancements
net.minecraft.client.gui.chat
net.minecraft.client.gui.fonts
net.minecraft.client.gui.fonts.providers
net.minecraft.client.gui.inventory
net.minecraft.client.gui.recipebook
net.minecraft.client.gui.spectator
net.minecraft.client.gui.spectator.categories
net.minecraft.client.gui.toasts
net.minecraft.client.main
net.minecraft.client.multiplayer
net.minecraft.client.network
net.minecraft.client.particle
net.minecraft.client.player.inventory
net.minecraft.client.renderer
net.minecraft.client.renderer.chunk
net.minecraft.client.renderer.color
net.minecraft.client.renderer.culling
net.minecraft.client.renderer.debug
net.minecraft.client.renderer.entity
net.minecraft.client.renderer.entity.layers
net.minecraft.client.renderer.entity.model
net.minecraft.client.renderer.model
net.minecraft.client.renderer.model.multipart
net.minecraft.client.renderer.texture
net.minecraft.client.renderer.tileentity
net.minecraft.client.renderer.vertex
net.minecraft.client.resources
net.minecraft.client.resources.data
net.minecraft.client.settings
net.minecraft.client.shader
net.minecraft.client.tutorial
net.minecraft.client.util
net.minecraft.command
net.minecraft.command.arguments
net.minecraft.command.arguments.serializers
net.minecraft.command.impl
net.minecraft.command.impl.data
net.minecraft.crash
net.minecraft.data
net.minecraft.data.advancements
net.minecraft.dispenser
net.minecraft.enchantment
net.minecraft.entity
net.minecraft.entity.ai
net.minecraft.entity.ai.attributes
net.minecraft.entity.boss
net.minecraft.entity.boss.dragon.phase
net.minecraft.entity.effect
net.minecraft.entity.item
net.minecraft.entity.monster
net.minecraft.entity.passive
net.minecraft.entity.player
net.minecraft.entity.projectile
net.minecraft.fluid
net.minecraft.init
net.minecraft.inventory
net.minecraft.item
net.minecraft.item.crafting
net.minecraft.nbt
net.minecraft.network
net.minecraft.network.datasync
net.minecraft.network.handshake
net.minecraft.network.handshake.client
net.minecraft.network.login
net.minecraft.network.login.client
net.minecraft.network.login.server
net.minecraft.network.play
net.minecraft.network.play.client
net.minecraft.network.play.server
net.minecraft.network.rcon
net.minecraft.network.status
net.minecraft.network.status.client
net.minecraft.network.status.server
net.minecraft.particles
net.minecraft.pathfinding
net.minecraft.potion
net.minecraft.profiler
net.minecraft.realms
net.minecraft.resources
net.minecraft.resources.data
net.minecraft.scoreboard
net.minecraft.server
net.minecraft.server.dedicated
net.minecraft.server.gui
net.minecraft.server.integrated
net.minecraft.server.management
net.minecraft.state
net.minecraft.state.properties
net.minecraft.stats
net.minecraft.tags
net.minecraft.tileentity
net.minecraft.util
net.minecraft.util.datafix
net.minecraft.util.datafix.fixes
net.minecraft.util.datafix.versions
net.minecraft.util.math
net.minecraft.util.math.shapes
net.minecraft.util.registry
net.minecraft.util.text
net.minecraft.util.text.event
net.minecraft.util.text.translation
net.minecraft.village
net.minecraft.world
net.minecraft.world.biome
net.minecraft.world.biome.provider
net.minecraft.world.border
net.minecraft.world.chunk
net.minecraft.world.chunk.storage
net.minecraft.world.dimension
net.minecraft.world.end
net.minecraft.world.gen
net.minecraft.world.gen.area
net.minecraft.world.gen.carver
net.minecraft.world.gen.feature
net.minecraft.world.gen.feature.structure
net.minecraft.world.gen.feature.template
net.minecraft.world.gen.layer
net.minecraft.world.gen.layer.traits
net.minecraft.world.gen.placement
net.minecraft.world.gen.surfacebuilders
net.minecraft.world.gen.tasks
net.minecraft.world.lighting
net.minecraft.world.storage
net.minecraft.world.storage.loot
net.minecraft.world.storage.loot.conditions
net.minecraft.world.storage.loot.functions
net.minecraft.world.storage.loot.properties