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Various extensions and utilities for Mojang's DFU library

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package dev.lukebemish.codecextras.companion;

import com.mojang.serialization.DynamicOps;
import java.util.Map;
import java.util.Optional;

class MapDelegatingOps extends DelegatingOps {
    Map>> companions;

    MapDelegatingOps(DynamicOps delegate, Map>> companions) {
        super(delegate);
        this.companions = companions;
    }

    @SuppressWarnings("unchecked")
    @Override
    public > Optional getCompanion(O token) {
        var companion = companions.get(token);
        if (companion != null) {
            return (Optional) companion;
        }
        return super.getCompanion(token);
    }
}