ionic2 leancloud-realtime 3.5.1 realtime.d.ts 报错

leancloud realtime 版本: 3.5.1

报错内容如下:
[11:15:06] typescript: node_modules/leancloud-realtime/realtime.d.ts, line: 93
A 'declare' modifier cannot be used in an already ambient context.

L92: declare type MessagePointer = Message | {id: string, timestamp: Date|number};
L94: export interface AVMessage {
[11:15:06] typescript: node_modules/leancloud-realtime/realtime.d.ts, line: 119
An accessor cannot be declared in an ambient context.

L118: get title(): string;
L119: type: number;
L120: getAttributes(): {};