tow types of value in interface for a variable code example

Example 1: typescript interface function

interface IEmployee {
    empCode: number;
    empName: string;
    getSalary: (number) => number; // arrow function
    getManagerName(number): string; 
}

Example 2: typescript export interface array

interface Animal {  name: string;  size: "small";  medium;  large;}const animalsArray: Animal[] = [  { name: "chicken", size: "small" },  { name: "pig", size: "medium" },  { name: "cow", size: "large" },];