// =================== DO NOT EDIT THIS FILE ====================
   //  Generated by Modello Velocity from model.vm
   //  template, any modifications will be overwritten.
   // ==============================================================
   package org.apache.maven.api.toolchain;
   
   import java.io.Serializable;
   import java.util.ArrayList;
   import java.util.Collection;
  import java.util.Collections;
  import java.util.HashMap;
  import java.util.List;
  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;
  
  /**
   * The {@code <toolchains>} element is the root of the descriptor.
   * The following table lists all the possible child elements.
   */
  @Experimental
  @Generated @ThreadSafe @Immutable
  public class PersistedToolchains
      extends TrackableBase
      implements Serializable, InputLocationTracker
  {
      final String namespaceUri;
      final String modelEncoding;
      /**
       * The toolchain instance definition.
       */
      final List<ToolchainModel> toolchains;
      /** 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 PersistedToolchains(Builder builder) {
          super(builder);
          this.namespaceUri = builder.namespaceUri != null ? builder.namespaceUri : (builder.base != null ? builder.base.namespaceUri : null);
          this.modelEncoding = builder.modelEncoding != null ? builder.modelEncoding : (builder.base != null ? builder.base.modelEncoding :  "UTF-8");
          this.toolchains = ImmutableCollections.copy(builder.toolchains != null ? builder.toolchains : (builder.base != null ? builder.base.toolchains : 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("toolchains", newlocs.containsKey("toolchains") ? newlocs.get("toolchains") : oldlocs.get("toolchains"));
          this.locations = Collections.unmodifiableMap(mutableLocations);
      }
  
      public String getNamespaceUri() {
          return namespaceUri;
      }
  
      public String getModelEncoding() {
          return modelEncoding;
      }
  
      /**
       * The toolchain instance definition.
       *
       * @return a {@code List<ToolchainModel>}
       */
      @Nonnull
      public List<ToolchainModel> getToolchains() {
          return this.toolchains;
      }
  
      /**
       * 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 PersistedToolchains} instance using the specified toolchains.
      *
      * @param toolchains the new {@code Collection<ToolchainModel>} to use
      * @return a {@code PersistedToolchains} with the specified toolchains
      */
     @Nonnull
     public PersistedToolchains withToolchains(Collection<ToolchainModel> toolchains) {
         return newBuilder(this, true).toolchains(toolchains).build();
     }
 
     /**
      * Creates a new {@code PersistedToolchains} instance.
      * Equivalent to {@code newInstance(true)}.
      * @see #newInstance(boolean)
      *
      * @return a new {@code PersistedToolchains}
      */
     @Nonnull
     public static PersistedToolchains newInstance() {
         return newInstance(true);
     }
 
     /**
      * Creates a new {@code PersistedToolchains} 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 PersistedToolchains}
      */
     @Nonnull
     public static PersistedToolchains newInstance(boolean withDefaults) {
         return newBuilder(withDefaults).build();
     }
 
     /**
      * Creates a new {@code PersistedToolchains} 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 PersistedToolchains} 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 PersistedToolchains} builder instance using the specified object as a basis.
      * Equivalent to {@code newBuilder(from, false)}.
      *
      * @param from the {@code PersistedToolchains} instance to use as a basis
      * @return a new {@code Builder}
      */
     @Nonnull
     public static Builder newBuilder(PersistedToolchains from) {
         return newBuilder(from, false);
     }
 
     /**
      * Creates a new {@code PersistedToolchains} builder instance using the specified object as a basis.
      *
      * @param from the {@code PersistedToolchains} 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(PersistedToolchains from, boolean forceCopy) {
         return new Builder(from, forceCopy);
     }
 
     /**
      * Builder class used to create PersistedToolchains instances.
      * @see #with()
      * @see #newBuilder()
      */
     @NotThreadSafe
     public static class Builder
         extends TrackableBase.Builder
     {
         PersistedToolchains base;
         String namespaceUri;
         String modelEncoding;
         Collection<ToolchainModel> toolchains;
 
         protected Builder(boolean withDefaults) {
             super(withDefaults);
             if (withDefaults) {
             }
         }
 
         protected Builder(PersistedToolchains base, boolean forceCopy) {
             super(base, forceCopy);
             this.namespaceUri = base.namespaceUri;
             this.modelEncoding = base.modelEncoding;
             if (forceCopy) {
                 this.toolchains = base.toolchains;
                 this.locations = base.locations;
                 this.importedFrom = base.importedFrom;
             } else {
                 this.base = base;
             }
         }
 
         @Nonnull
         public Builder namespaceUri(String namespaceUri) {
             this.namespaceUri = namespaceUri;
             return this;
         }
 
         @Nonnull
         public Builder modelEncoding(String modelEncoding) {
             this.modelEncoding = modelEncoding;
             return this;
         }
 
         @Nonnull
         public Builder toolchains(Collection<ToolchainModel> toolchains) {
             this.toolchains = toolchains;
             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 PersistedToolchains build() {
             // this method should not contain any logic other than creating (or reusing) an object in order to ease subclassing
             if (base != null
                     && (toolchains == null || toolchains == base.toolchains)
             ) {
                 return base;
             }
             return new PersistedToolchains(this);
         }
     }
 
 }