MaterialTraitsBuilder

Method	Description
add( name: string, level: int )	Add a material trait
addAll( traits: map<string, int> )	Add multiple material traits
perStat( partId: string, traitName: String, level: int )	Add a material trait for the specified part
perStatAll( partId: string, traits: map<string, int> )	Add multiple material traits for the specified part