message: docs: jsdoc for public method
diff: @@ -48,9 +48,13 @@ export class Lifecycle {
  private constructor(private readonly listeners: Dictionary<callback[]> = {}) {}
  + /**
  + * return the package.json version of the sfdx-core library.
  + */
  public static staticVersion(): string {
  return pjson.version;
  }
  +
  /**
  * Retrieve the singleton instance of this class so that all listeners and emitters can interact from any library or tool
  */
  