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/* package whatever; // don't place package name! */
 
import com.google.auto.value.AutoValue;
import com.google.common.collect.ImmutableList;
import java.util.*;
import java.lang.*;
import java.io.*;
 
@AutoValue
abstract class Ideone {
 
  /** Returns a builder instance for this class. */
  public static Builder builder() {
    return new AutoValue_Ideone.Builder()
        .setTags(new ArrayList<>());
  }
 
  public abstract ImmutableList<String> getTags();
 
  /** AutoValue Builder class. */
  @AutoValue.Builder
  public abstract static class Builder {
 
    public abstract Builder setTags(List<String> tags);
 
    public abstract Ideone build();
  }
}

Main.java:3: error: package com.google.auto.value does not exist
import com.google.auto.value.AutoValue;
                            ^
Main.java:9: error: cannot find symbol
@AutoValue
 ^
  symbol: class AutoValue
Main.java:21: error: package AutoValue does not exist
  @AutoValue.Builder
            ^
Main.java:14: error: package AutoValue_Ideone does not exist
    return new AutoValue_Ideone.Builder()
                               ^
4 errors

Standard output is empty