declare enum Button { /** * A "Cancel" button, indicating that an operation should not proceed. */ CANCEL = "CANCEL", /** * The standard close button displayed in every dialog's title bar. This button is not explicitly * added to a dialog, and it cannot be removed. */ CLOSE = "CLOSE", /** * A "No" button, indicating a negative response to a question. */ NO = "NO", /** * An "OK" button, indicating that an operation should proceed. */ OK = "OK", /** * A "Yes" button, indicating a positive response to a question. */ YES = "YES", }