// =================== DO NOT EDIT THIS FILE ====================
   //  Generated by Modello Velocity from model.vm
   //  template, any modifications will be overwritten.
   // ==============================================================
   package org.apache.maven.api.settings;
   
   import java.io.Serializable;
   import java.util.Collections;
   import java.util.HashMap;
  import java.util.Map;
  import java.util.Set;
  import org.apache.maven.api.annotations.Experimental;
  import org.apache.maven.api.annotations.Generated;
  import org.apache.maven.api.annotations.Immutable;
  import org.apache.maven.api.annotations.Nonnull;
  import org.apache.maven.api.annotations.NotThreadSafe;
  import org.apache.maven.api.annotations.ThreadSafe;
  
  /**
   * Base class for {@code Mirror}, {@code Profile}, {@code Proxy} and {@code Server}.
   */
  @Experimental
  @Generated @ThreadSafe @Immutable
  public class IdentifiableBase
      extends TrackableBase
      implements Serializable, InputLocationTracker
  {
      /**
       * Item identifier.
       */
      final String id;
      /** Locations (this potentially hides the same name field from the super class) */
      final Map<Object, InputLocation> locations;
  
      /**
        * Constructor for this class, to be called from its subclasses and {@link Builder}.
        * @see Builder#build()
        */
      protected IdentifiableBase(Builder builder) {
          super(builder);
          this.id = builder.id != null ? builder.id : (builder.base != null ? builder.base.id : null);
          Map<Object, InputLocation> newlocs = builder.locations != null ? builder.locations : Collections.emptyMap();
          Map<Object, InputLocation> oldlocs = builder.base != null && builder.base.locations != null ? builder.base.locations : Collections.emptyMap();
          Map<Object, InputLocation> mutableLocations = new HashMap<>(super.locations);
          mutableLocations.put("id", newlocs.containsKey("id") ? newlocs.get("id") : oldlocs.get("id"));
          this.locations = Collections.unmodifiableMap(mutableLocations);
      }
  
      /**
       * Item identifier.
       *
       * @return a {@code String}
       */
      public String getId() {
          return this.id;
      }
  
      /**
       * Gets the location of the specified field in the input source.
       */
      public InputLocation getLocation(Object key) {
          return locations != null ? locations.get(key) : null;
      }
  
      /**
      * Gets the keys of the locations of the input source.
      */
      public Set<Object> getLocationKeys() {
          return locations != null ? locations.keySet() : null;
      }
  
      /**
       * Creates a new builder with this object as the basis.
       *
       * @return a {@code Builder}
       */
      @Nonnull
      public Builder with() {
          return newBuilder(this);
      }
      /**
       * Creates a new {@code IdentifiableBase} instance using the specified id.
       *
       * @param id the new {@code String} to use
       * @return a {@code IdentifiableBase} with the specified id
       */
      @Nonnull
      public IdentifiableBase withId(String id) {
          return newBuilder(this, true).id(id).build();
      }
  
      /**
       * Creates a new {@code IdentifiableBase} instance.
       * Equivalent to {@code newInstance(true)}.
       * @see #newInstance(boolean)
       *
       * @return a new {@code IdentifiableBase}
       */
      @Nonnull
     public static IdentifiableBase newInstance() {
         return newInstance(true);
     }
 
     /**
      * Creates a new {@code IdentifiableBase} instance using default values or not.
      * Equivalent to {@code newBuilder(withDefaults).build()}.
      *
      * @param withDefaults the boolean indicating whether default values should be used
      * @return a new {@code IdentifiableBase}
      */
     @Nonnull
     public static IdentifiableBase newInstance(boolean withDefaults) {
         return newBuilder(withDefaults).build();
     }
 
     /**
      * Creates a new {@code IdentifiableBase} builder instance.
      * Equivalent to {@code newBuilder(true)}.
      * @see #newBuilder(boolean)
      *
      * @return a new {@code Builder}
      */
     @Nonnull
     public static Builder newBuilder() {
         return newBuilder(true);
     }
 
     /**
      * Creates a new {@code IdentifiableBase} builder instance using default values or not.
      *
      * @param withDefaults the boolean indicating whether default values should be used
      * @return a new {@code Builder}
      */
     @Nonnull
     public static Builder newBuilder(boolean withDefaults) {
         return new Builder(withDefaults);
     }
 
     /**
      * Creates a new {@code IdentifiableBase} builder instance using the specified object as a basis.
      * Equivalent to {@code newBuilder(from, false)}.
      *
      * @param from the {@code IdentifiableBase} instance to use as a basis
      * @return a new {@code Builder}
      */
     @Nonnull
     public static Builder newBuilder(IdentifiableBase from) {
         return newBuilder(from, false);
     }
 
     /**
      * Creates a new {@code IdentifiableBase} builder instance using the specified object as a basis.
      *
      * @param from the {@code IdentifiableBase} instance to use as a basis
      * @param forceCopy the boolean indicating if a copy should be forced
      * @return a new {@code Builder}
      */
     @Nonnull
     public static Builder newBuilder(IdentifiableBase from, boolean forceCopy) {
         return new Builder(from, forceCopy);
     }
 
     /**
      * Builder class used to create IdentifiableBase instances.
      * @see #with()
      * @see #newBuilder()
      */
     @NotThreadSafe
     public static class Builder
         extends TrackableBase.Builder
     {
         IdentifiableBase base;
         String id;
 
         protected Builder(boolean withDefaults) {
             super(withDefaults);
             if (withDefaults) {
                 this.id = "default";
             }
         }
 
         protected Builder(IdentifiableBase base, boolean forceCopy) {
             super(base, forceCopy);
             if (forceCopy) {
                 this.id = base.id;
                 this.locations = base.locations;
                 this.importedFrom = base.importedFrom;
             } else {
                 this.base = base;
             }
         }
 
         @Nonnull
         public Builder id(String id) {
             this.id = id;
             return this;
         }
 
 
         @Nonnull
         public Builder location(Object key, InputLocation location) {
             if (location != null) {
                 if (!(this.locations instanceof HashMap)) {
                     this.locations = this.locations != null ? new HashMap<>(this.locations) : new HashMap<>();
                 }
                 this.locations.put(key, location);
             }
             return this;
         }
 
         @Nonnull
         public Builder importedFrom(InputLocation importedFrom) {
             this.importedFrom = importedFrom;
             return this;
         }
 
         @Nonnull
         public IdentifiableBase build() {
             // this method should not contain any logic other than creating (or reusing) an object in order to ease subclassing
             if (base != null
                     && (id == null || id == base.id)
             ) {
                 return base;
             }
             return new IdentifiableBase(this);
         }
     }
 
 }