nl_tokens: Get type from reference to named type that cannot be generic ( enum or type parameter )
pl_tokens: function getTypeFromNonGenericTypeReference ( node , symbol ) { if ( symbol . <mask> & 262144 /* TypeParameter */ && isTypeParameterReferenceIllegalInConstraint ( node , symbol ) ) { // TypeScript 1.0 spec (April 2014): 3.4.1 // Type parameters declared in a particular type parameter list // may not be referenced in constraints in that type parameter list // Implementation: such type references are resolved to 'unknown' type that usually denotes error return unknownType ; } if ( node . typeArguments ) { error ( node , ts . Diagnostics . Type_0_is_not_generic , symbolToString ( symbol ) ) ; return unknownType ; } return getDeclaredTypeOfSymbol ( symbol ) ; }