No overload matches this call- error

[candaceflyn]

the code i'm using --
password = new FormControl('', [
Validators.required,
hasExclamationMark
]);
but i'm not able to resolve the errors

TS2769: No overload matches this call.
Overload 1 of 5, '(value: string | FormControlState, opts: FormControlOptions, asyncValidator: AsyncValidatorFn | AsyncValidatorFn[]): FormControl<...>', gave the following error.
Type '((control: AbstractControl<any, any>) => ValidationErrors | null)[]' has no properties in common with type 'FormControlOptions'.
Overload 2 of 5, '(value: string | FormControlState, validatorOrOpts?: FormControlOptions | ValidatorFn | ValidatorFn[] | null | undefined, asyncValidator?: AsyncValidatorFn | ... 2 more ... | undefined): FormControl<...>', gave the following error.
Type '(input: FormControl) => { needsExclamation: boolean; } | null' is not assignable to type 'AsyncValidatorFn'.
Types of parameters 'input' and 'control' are incompatible.
Type 'AbstractControl<any, any>' is missing the following properties from type 'FormControl': defaultValue, registerOnChange, registerOnDisabledChange
src/app/app.component.ts:19:13