181         // Example: c(a: (a: number, b: void) => string, b?: number[]): undefined;  in CheckNotDeclarations()
187     // Example:  in CheckNotDeclarations()
194         // Example:  in CheckNotDeclarations()
207         // Example: const foo1: (self: Object, x: int) => int = foo;  in CheckNotDeclarations()
214     // Example:  in CheckNotDeclarations()
223     // Example:  in CheckNotDeclarations()
230     // Example:  in CheckNotDeclarations()
237             // Example: var func8: { (...c): boolean, (...c: number[]): string };  in CheckNotDeclarations()
260     // Example:  in CheckNotDeclarations()
265             // Example: let c = (a?: number) => { }  in CheckNotDeclarations()
295             // Example from JS tests:  in CheckDefinitions()
325         // Example: let goo = foo;  in CheckDeclarationsPart1()
386         // Example:  in CheckDeclarationsPart2()
402         // Example: new(a: null, b?: string): { a: number, b: string, c?([a, b]): string }  in CheckDeclarationsPart2()