code: public void setSupportedTimezones(java.util.Collection<Timezone> supportedTimezones) {
          if (supportedTimezones == null) {
              this.supportedTimezones = null;
              return;
          }
  
          this.supportedTimezones = new java.util.ArrayList<Timezone>(supportedTimezones);
      }
docs: <p>
  A list of the time zones supported by this engine for the <code>Timezone</code> parameter of the
  <code>CreateDBInstance</code> action.
  </p>
  
  @param supportedTimezones
  A list of the time zones supported by this engine for the <code>Timezone</code> parameter of the
  <code>CreateDBInstance</code> action.