element mp:prefix { xsd:string }+,
element mp:field { xsd:string }*,
element mp:criteria { xsd:string }*,
element mp:index {
attribute type { xsd:string },
xsd:string
element mp:prefix { xsd:string }+,
element mp:field { xsd:string }*,
element mp:criteria { xsd:string }*,
element mp:index {
attribute type { xsd:string },
xsd:string