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package hydra.langs.graphql.syntax;

import java.io.Serializable;

public abstract class Alias implements Serializable {
  public static final hydra.core.Name NAME = new hydra.core.Name("hydra/langs/graphql/syntax.Alias");
  
  private Alias () {
  
  }
  
  public abstract  R accept(Visitor visitor) ;
  
  public interface Visitor {
    R visit(Name instance) ;
    
    R visit(Colon instance) ;
  }
  
  public interface PartialVisitor extends Visitor {
    default R otherwise(Alias instance) {
      throw new IllegalStateException("Non-exhaustive patterns when matching: " + (instance));
    }
    
    default R visit(Name instance) {
      return otherwise((instance));
    }
    
    default R visit(Colon instance) {
      return otherwise((instance));
    }
  }
  
  public static final class Name extends hydra.langs.graphql.syntax.Alias implements Serializable {
    public final hydra.langs.graphql.syntax.Name value;
    
    public Name (hydra.langs.graphql.syntax.Name value) {
      this.value = value;
    }
    
    @Override
    public boolean equals(Object other) {
      if (!(other instanceof Name)) {
        return false;
      }
      Name o = (Name) (other);
      return value.equals(o.value);
    }
    
    @Override
    public int hashCode() {
      return 2 * value.hashCode();
    }
    
    @Override
    public  R accept(Visitor visitor) {
      return visitor.visit(this);
    }
  }
  
  public static final class Colon extends hydra.langs.graphql.syntax.Alias implements Serializable {
    public Colon () {
    
    }
    
    @Override
    public boolean equals(Object other) {
      if (!(other instanceof Colon)) {
        return false;
      }
      Colon o = (Colon) (other);
      return true;
    }
    
    @Override
    public int hashCode() {
      return 0;
    }
    
    @Override
    public  R accept(Visitor visitor) {
      return visitor.visit(this);
    }
  }
}