Validate() {
        if (this.milliseconds < 0) {
            return 'Timestamp is too early.';
        }
        if (this.milliseconds > Number.MAX_SAFE_INTEGER) {
            return 'Timestamp is too late.';
        }
        return null;
    }
// Validate returns an error if the value is invalid
Validate returns an error if the value is invalid
Validate returns an error if the value is invalid
Validate() {
        if (this.milliseconds < 0) {
            return 'Timestamp is too early.';
        }
        if (this.milliseconds > Number.MAX_SAFE_INTEGER) {
            return 'Timestamp is too late.';
        }
        return null;
    }
Validate ( ) { if ( this . milliseconds < 0 ) { return 'Timestamp is too early.' ; } if ( this . milliseconds > Number . MAX_SAFE_INTEGER ) { return 'Timestamp is too late.' ; } return null ; }
Validate returns an error if the value is invalid
Validate returns an error if the value is invalid