declare type FunctionKeys<T> = {
    [K in keyof T]: T[K] extends Function ? K : never;
}[keyof T];
declare class Dispatcher<T extends object, K extends FunctionKeys<T>, P = Parameters<T[K]>> {
    protected readonly method: K;
    constructor(method: K);
    call1(obj: T, ...p: [P]): void;
    call2(obj: T, p: P): void;
}
interface TestInterface {
    methodToCall: (str: string, num: number) => void;
}
declare class TestClass implements TestInterface {
    methodToCall(str: string, num: number): void;
}
declare const instance: TestClass;
declare const dispatcher: Dispatcher<TestInterface, "methodToCall", [str: string, num: number]>;