src/game/java/net/minecraft/world/entity/HumanoidArm.java

package net.minecraft.world.entity;

import com.mojang.serialization.Codec;
import java.util.function.IntFunction;
import net.minecraft.util.ByIdMap;
import net.minecraft.util.OptionEnum;
import net.minecraft.util.StringRepresentable;

public enum HumanoidArm implements OptionEnum, StringRepresentable {
    LEFT(0, "left", "options.mainHand.left"),
    RIGHT(1, "right", "options.mainHand.right");

    public static final Codec<HumanoidArm> CODEC = StringRepresentable.fromEnum(HumanoidArm::values);
    public static final IntFunction<HumanoidArm> BY_ID = ByIdMap.continuous(HumanoidArm::getId, values(), ByIdMap.OutOfBoundsStrategy.ZERO);
    private final int id;
    private final String name;
    private final String translationKey;

    private HumanoidArm(final int p_217028_, final String p_217029_, final String p_301052_) {
        this.id = p_217028_;
        this.name = p_217029_;
        this.translationKey = p_301052_;
    }

    public HumanoidArm getOpposite() {
        return this == LEFT ? RIGHT : LEFT;
    }

    @Override
    public int getId() {
        return this.id;
    }

    @Override
    public String getKey() {
        return this.translationKey;
    }

    @Override
    public String getSerializedName() {
        return this.name;
    }
}