interface I {
    (stringParts: TemplateStringsArray, ...rest: number[]): I;
    g: I;
    h: I;
    member: I;
    thisIsNotATag(x: string): void
    [x: number]: I;
}

var f: I;

f `abc`

f `abc${1}def${2}ghi`;

f `abc`.member

f `abc${1}def${2}ghi`.member;

f `abc`["member"];

f `abc${1}def${2}ghi`["member"];

f `abc`[0].member `abc${1}def${2}ghi`;

f `abc${1}def${2}ghi`["member"].member `abc${1}def${2}ghi`;

f.thisIsNotATag(`abc`);

f.thisIsNotATag(`abc${1}def${2}ghi`);