src/game/java/net/minecraft/references/Blocks.java

package net.minecraft.references;

import net.minecraft.core.registries.Registries;
import net.minecraft.resources.ResourceKey;
import net.minecraft.resources.ResourceLocation;
import net.minecraft.world.level.block.Block;

public class Blocks {
    public static final ResourceKey<Block> PUMPKIN = createKey("pumpkin");
    public static final ResourceKey<Block> PUMPKIN_STEM = createKey("pumpkin_stem");
    public static final ResourceKey<Block> ATTACHED_PUMPKIN_STEM = createKey("attached_pumpkin_stem");
    public static final ResourceKey<Block> MELON = createKey("melon");
    public static final ResourceKey<Block> MELON_STEM = createKey("melon_stem");
    public static final ResourceKey<Block> ATTACHED_MELON_STEM = createKey("attached_melon_stem");

    private static ResourceKey<Block> createKey(String p_311130_) {
        return ResourceKey.create(Registries.BLOCK, ResourceLocation.withDefaultNamespace(p_311130_));
    }
}