nl_tokens: Gets the effective argument expression for an argument in a call expression .
pl_tokens: function getEffectiveArgument ( node , args , argIndex ) { // For a decorator or the first argument of a tagged template expression we return undefined. if ( node . kind === 139 /* Decorator */ || ( argIndex === 0 && node . <mask> === 170 /* TaggedTemplateExpression */ ) ) { return undefined ; } return args [ argIndex ] ; }