/**
 * Supported STOMP versions
 *
 * Part of `@stomp/stompjs`.
 */ export class Versions { /**
     * Indicates protocol version 1.0
     */ public static V1_0 = '1.0' ; /**
     * Indicates protocol version 1.1
     */ public static V1_1 = '1.1' ; /**
     * Indicates protocol version 1.2
     */ public static V1_2 = '1.2' ; internal public static default = new Versions ( [ Versions . V1_0 , Versions . V1_1 , Versions . V1_2 , ] ) ; /**
     * Takes an array of string of versions, typical elements '1.0', '1.1', or '1.2'
     *
     * You will an instance if this class if you want to override supported versions to be declared during
     * STOMP handshake.
     */ constructor ( public versions ) { } /**
     * Used as part of CONNECT STOMP Frame
     */ public supportedVersions ( ) { return this . versions . join ( ',' ) ; } /**
     * Used while creating a WebSocket
     */ public protocolVersions ( ) { return this . versions . map ( x => `v${ x . replace ( '.' , '' ) }.stomp` ) ; } }