-`getTypeName`: returns the type of `this` as a string. This is the name of the function stored in the constructor field of `this`, if available, otherwise the object's `[[Class]]` internal property.
-`getFunction`: returns the current function.
-`getFunctionName`: returns the name of the current function, typically its `name` property. If a name property is not available an attempt will be made to try to infer a name from the function's context.
-`getMethodName`: returns the name of the property of `this` or one of its prototypes that holds the current function.
-`getFileName`: if this function was defined in a script returns the name of the script.
-`getLineNumber`: if this function was defined in a script returns the current line number.