// =================== 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 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;
  
  /**
   * common base class that contains code to track the source for
   * this instance (USER|GLOBAL)
   */
  @Experimental
  @Generated @ThreadSafe @Immutable
  public class TrackableBase
      implements Serializable, InputLocationTracker
  {
      /** Locations */
      final Map<Object, InputLocation> locations;
  
      /**
        * Constructor for this class, package protected.
        * @see Builder#build()
        */
      TrackableBase(
          Map<Object, InputLocation> locations
      ) {
          this.locations = ImmutableCollections.copy(locations);
      }
  
      /**
       * Gets the location of the specified field in the input source.
       */
      public InputLocation getLocation(Object key) {
          return locations != null ? locations.get(key) : 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 TrackableBase} instance.
       * Equivalent to {@code newInstance(true)}.
       * @see #newInstance(boolean)
       *
       * @return a new {@code TrackableBase}
       */
      @Nonnull
      public static TrackableBase newInstance() {
          return newInstance(true);
      }
  
      /**
       * Creates a new {@code TrackableBase} 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 TrackableBase}
       */
      @Nonnull
      public static TrackableBase newInstance(boolean withDefaults) {
          return newBuilder(withDefaults).build();
      }
  
      /**
       * Creates a new {@code TrackableBase} 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 TrackableBase} 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 TrackableBase} builder instance using the specified object as a basis.
      * Equivalent to {@code newBuilder(from, false)}.
      *
      * @param from the {@code TrackableBase} instance to use as a basis
      * @return a new {@code Builder}
      */
     @Nonnull
     public static Builder newBuilder(TrackableBase from) {
         return newBuilder(from, false);
     }
 
     /**
      * Creates a new {@code TrackableBase} builder instance using the specified object as a basis.
      *
      * @param from the {@code TrackableBase} 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(TrackableBase from, boolean forceCopy) {
         return new Builder(from, forceCopy);
     }
 
     /**
      * Builder class used to create TrackableBase instances.
      * @see #with()
      * @see #newBuilder()
      */
     @NotThreadSafe
     public static class Builder
     {
         TrackableBase base;
         Map<Object, InputLocation> locations;
 
         Builder(boolean withDefaults) {
             if (withDefaults) {
             }
         }
 
         Builder(TrackableBase base, boolean forceCopy) {
             if (forceCopy) {
                 this.locations = base.locations;
             } else {
                 this.base = base;
             }
         }
 
 
         @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 TrackableBase build() {
             if (base != null
             ) {
                 return base;
             }
             Map<Object, InputLocation> locations = null;
             InputLocation location = null;
             if (this.locations != null) {
                 locations = this.locations;
             }
             return new TrackableBase(
                 locations != null ? locations : (base != null ? base.locations : null)
             );
         }
     }
 
 
             
     public static final String USER_LEVEL = "user-level";
     public static final String PROJECT_LEVEL = "project-level";
     public static final String GLOBAL_LEVEL = "global-level";
 
     private String sourceLevel = USER_LEVEL;
     private boolean sourceLevelSet = false;
 
     public void setSourceLevel( String sourceLevel )
     {
         if ( sourceLevelSet )
         {
             throw new IllegalStateException( "Cannot reset sourceLevel attribute; it is already set to: " + sourceLevel );
         }
         else if ( !( USER_LEVEL.equals( sourceLevel ) || PROJECT_LEVEL.equals( sourceLevel )  || GLOBAL_LEVEL.equals( sourceLevel ) ) )
         {
             throw new IllegalArgumentException( "sourceLevel must be one of: {" + USER_LEVEL + "," + PROJECT_LEVEL + "," + GLOBAL_LEVEL + "}" );
         }
         else
         {
             this.sourceLevel = sourceLevel;
             this.sourceLevelSet = true;
         }
     }
 
     public String getSourceLevel()
     {
         return sourceLevel;
     }
             
           
 }