5.16 http://schemas.microsoft.com/office/drawing/2010/diagram Schema

 <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:a="http://schemas.openxmlformats.org/drawingml/2006/main" xmlns="http://schemas.microsoft.com/office/drawing/2010/diagram" targetNamespace="http://schemas.microsoft.com/office/drawing/2010/diagram" elementFormDefault="qualified" attributeFormDefault="unqualified">
   <xsd:import schemaLocation="oartbasetypes.xsd" namespace="http://schemas.openxmlformats.org/drawingml/2006/main"/>
   <xsd:import schemaLocation="oartdocprop.xsd" namespace="http://schemas.openxmlformats.org/drawingml/2006/main"/>
   <xsd:element name="cNvPr" type="a:CT_NonVisualDrawingProps"/>
   <xsd:complexType name="CT_Boolean">
     <xsd:attribute name="val" type="xsd:boolean" use="optional" default="false"/>
   </xsd:complexType>
   <xsd:element name="recolorImg" type="CT_Boolean"/>
 </xsd:schema>