$control: 1collection_about:{  field_name: "VdkName"  {    external_name: "Adobe Acrobat Catalog Name"    value: "Oracle9i: The Complete Reference"  }  field_name: "AdobeNumberDocuments"  {    external_name: "AdobeNumberDocuments"    value: "12"  }  field_name: "VdkCreationDate"  {    external_name: "Creation Date"    value: "3110208478"  }  field_name: "VdkModificationDate"  {    external_name: "Modification Date"    value: "3110208478"  }  field_name: "VdkNumberDocuments"  {    external_name: "Number of Documents"    value: "0"  }  field_name: "VdkCreator"  {    external_name: "Collection Creator"    value: "ADOBE ACROBAT"  }  field_name: "VdkSignature"  {    external_name: "Collection Signature"    value: "1262-6404-CB48-5011-E022"  }  field_name: "VdkType"  {    external_name: "Collection Type"    value: " "  }  field_name: "VdkDescription"  {    external_name: "Collection Description"    value: " "  }}$$