nl_tokens: The local type parameters are the combined set of type parameters from all declarations of the class interface or type alias .
pl_tokens: function getLocalTypeParametersOfClassOrInterfaceOrTypeAlias ( symbol ) { var result ; for ( var _i = 0 , _a = symbol . declarations ; _i < _a . length ; _i ++ ) { var node = _a [ _i ] ; if ( node . kind === 215 /* InterfaceDeclaration */ || node . kind === 214 /* ClassDeclaration */ || node . kind === 186 /* ClassExpression */ || node . kind === 216 /* TypeAliasDeclaration */ ) { var declaration = node ; if ( declaration . typeParameters ) { <mask> = appendTypeParameters ( result , declaration . typeParameters ) ; } } } return result ; }