type MyType = any;
 
const values: MyType[] = [
  {
    type: "number",
    value: 42,
  },
  {
    type: "string",
    message: "Hello, World!",
  },
  {
    type: "range",
    from: 0,
    to: 100,
  },
];
 
console.log(values);

type MyType = {
  type: string;
  value?: number;
  message?: string;
  from?: number;
  to?: number;
};
 
const values: MyType[] = [
  {
    type: "number",
    value: 42,
  },
  {
    type: "string",
    message: "Hello, World!",
  },
  {
    type: "range",
    from: 0,
    to: 100,
  },
];
 
console.log(values);