Optional Readonlyassignmentwhen set, the call also binds a name, and is processed as that assignment first (setValidity)
Optional Readonlyassignmentlike assignment, for a call that states which of its arguments are target and source (setMethod)
Optional Readonlyclassthe arguments naming S4 classes the call uses (Class in new, signature in setMethod)
Optional Readonlyclasswhat the call states about the classes it relates, see classDeclarationOfImpl
Optional Readonlygenericthe argument naming the S4 generic the call answers or asks about (f in setMethod)
Optional Readonlygenericappended to the generic named by genericArg (setReplaceMethod("f", ...) answers f<-)
Optional Readonlyinstantiatesthe call creates an instance of the classes its classArgs name, running the methods of the initializer generic and their validity functions
Optional Readonlyregistersthe argument naming an S4 class the call adds to without declaring it (to in setAs): read and registered anew, so a later use depends on this call as well as on the declaration
Optional Readonlyregistersthe call registers its definition as a method of the generic, for the signature the first of its classArgs states (setMethod)
Optional Readonlyreturnsthe call hands back a method of the generic its genericArg names (getMethod, selectMethod)
Configuration of processClassRelation.