<!-- SAGA3 · part 10 -->
fileLoader.setResponseType( 'arraybuffer' );

			if ( this.options.crossOrigin === 'use-credentials' ) {

				this.fileLoader.setWithCredentials( true );

			}

		}

		setExtensions( extensions ) {

			this.extensions = extensions;

		}

		setPlugins( plugins ) {

			this.plugins = plugins;

		}

		parse( onLoad, onError ) {

			const parser = this;
			const json = this.json;
			const extensions = this.extensions; // Clear the loader cache

			this.cache.removeAll(); // Mark the special nodes/meshes in json for efficient parse

			this._invokeAll( function ( ext ) {

				return ext._markDefs && ext._markDefs();

			} );

			Promise.all( this._invokeAll( function ( ext ) {

				return ext.beforeRoot && ext.beforeRoot();

			} ) ).then( function () {

				return Promise.all( [ parser.getDependencies( 'scene' ), parser.getDependencies( 'animation' ), parser.getDependencies( 'camera' ) ] );

			} ).then( function ( dependencies ) {

				const result = {
					scene: dependencies[ 0 ][ json.scene || 0 ],
					scenes: dependencies[ 0 ],
					animations: dependencies[ 1 ],
					cameras: dependencies[ 2 ],
					asset: json.asset,
					parser: parser,
					userData: {}
				};
				addUnknownExtensionsToUserData( extensions, result, json );
				assignExtrasToUserData( result, json );
				Promise.all( parser._invokeAll( function ( ext ) {

					return ext.afterRoot && ext.afterRoot( result );

				} ) ).then( function () {

					onLoad( result );

				} );

			} ).catch( onError );

		}
		/**
   * Marks the special nodes/meshes in json for efficient parse.
   */


		_markDefs() {

			const nodeDefs = this.json.nodes || [];
			const skinDefs = this.json.skins || [];
			const meshDefs = this.json.meshes || []; // Nothing in the node definition indicates whether it is a THREE.Bone or an
			// THREE.Object3D. Use the skins' joint references to mark bones.

			for ( let skinIndex = 0, skinLength = skinDefs.length; skinIndex < skinLength; skinIndex ++ ) {

				const joints = skinDefs[ skinIndex ].joints;

				for ( let i = 0, il = joints.length; i < il; i ++ ) {

					nodeDefs[ joints[ i ] ].isBone = true;

				}

			} // Iterate over all nodes, marking references to shared resources,
			// as well as skeleton joints.


			for ( let nodeIndex = 0, nodeLength = nodeDefs.length; nodeIndex < nodeLength; nodeIndex ++ ) {

				const nodeDef = nodeDefs[ nodeIndex ];

				if ( nodeDef.mesh !== undefined ) {

					this._addNodeRef( this.meshCache, nodeDef.mesh ); // Nothing in the mesh definition indicates whether it is
					// a THREE.SkinnedMesh or THREE.Mesh. Use the node's mesh reference
					// to mark THREE.SkinnedMesh if node has skin.


					if ( nodeDef.skin !== undefined ) {

						meshDefs[ nodeDef.mesh ].isSkinnedMesh = true;

					}

				}

				if ( nodeDef.camera !== undefined ) {

					this._addNodeRef( this.cameraCache, nodeDef.camera );

				}

			}

		}
		/**
   * Counts references to shared node / THREE.Object3D resources. These resources
   * can be reused, or "instantiated", at multiple nodes in the scene
   * hierarchy. THREE.Mesh, Camera, and Light instances are instantiated and must
   * be marked. Non-scenegraph resources (like Materials, Geometries, and
   * Textures) can be reused directly and are not marked here.
   *
   * Example: CesiumMilkTruck sample model reuses "Wheel" meshes.
   */


		_addNodeRef( cache, index ) {

			if ( index === undefined ) return;

			if ( cache.refs[ index ] === undefined ) {

				cache.refs[ index ] = cache.uses[ index ] = 0;

			}

			cache.refs[ index ] ++;

		}
		/** Returns a reference to a shared resource, cloning it if necessary. */


		_getNodeRef( cache, index, object ) {

			if ( cache.refs[ index ] <= 1 ) return object;
			const ref = object.clone();
			ref.name += '_instance_' + cache.uses[ index ] ++;
			return ref;

		}

		_invokeOne( func ) {

			const extensions = Object.values( this.plugins );
			extensions.push( this );

			for ( let i = 0; i < extensions.length; i ++ ) {

				const result = func( extensions[ i ] );
				if ( result ) return result;

			}

			return null;

		}

		_invokeAll( func ) {

			const extensions = Object.values( this.plugins );
			extensions.unshift( this );
			const pending = [];

			for ( let i = 0; i < extensions.length; i ++ ) {

				const result = func( extensions[ i ] );
				if ( result ) pending.push( result );

			}

			return pending;

		}
		/**
   * Requests the specified dependency asynchronously, with caching.
   * @param {string} type
   * @param {number} index
   * @return {Promise<Object3D|Material|THREE.Texture|AnimationClip|ArrayBuffer|Object>}
   */


		getDependency( type, index ) {

			const cacheKey = type + ':' + index;
			let dependency = this.cache.get( cacheKey );

			if ( ! dependency ) {

				switch ( type ) {

					case 'scene':
						dependency = this.loadScene( index );
						break;

					case 'node':
						dependency = this.loadNode( index );
						break;

					case 'mesh':