import { Observable } from 'rxjs';
import { Style } from './style';

/** The `export interface Stylable` is defining an interface in TypeScript called `Stylable`. This
interface has three members: */
export interface Stylable {
  /** The line `readonly styleObs: Observable<null | Style>;` is declaring a property called `styleObs` of
  type `Observable<null | Style>`. */
  readonly styleObs: Observable<null | Style>;


  /* The `setStyle(style: null | Style, force?: boolean): void;` method in the `Stylable` interface is
  a function that allows setting the style of an object that implements the `Stylable` interface. It
  takes two parameters: */
  setStyle(style: null | Style, force?: boolean): void;

  /** The `getStyle()` method is a function that does not take any parameters and returns a value of type
  `null | Style`. This method is used to retrieve the style of an object implementing the `Stylable`
  interface. The return value can be either `null` if no style has been set, or an instance of the
  `Style` class representing the current style of the object. */
  getStyle(): null | Style;
}