1.13.1
Package
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.data
net.minecraft.entity
net.minecraft.entity.player
net.minecraft.realms
net.minecraft.server.integrated
net.minecraft.server.v1_13_R2
net.minecraft.tileentity
net.minecraft.util
net.minecraft.world
net.minecraft.world.biome
net.minecraft.world.border
net.minecraft.world.chunk
net.minecraft.world.storage