const SomeMap = {
    fn1: ({ a }: { a: number }) => ({ a, b: 1 }),
    fn2: ({ c }: { c: string }) => ({ c, d: 1 })
};

const someFunction = someFns => params => {
    const someValue = someFns.reduce((acc, cur) => {
        acc.push(cur(params));
        return acc;
    }, []);
};

someFunction([SomeMap.fn1, SomeMap.fn2])({ a: 2, c: 4 });