| 1 | export declare function isDef<T>(val: T): val is NonNullable<T>;
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| 2 | export declare function isObject(val: unknown): val is Record<any, any>;
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| 3 | export declare function isPromise(obj: unknown): obj is Promise<unknown>;
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| 4 | export declare function isDate(val: unknown): val is Date;
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| 5 | export declare function isMobile(value: string): boolean;
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| 6 | export declare function isNumeric(val: string | number): val is string;
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| 7 | export declare function isAndroid(): boolean;
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| 8 | export declare function isIOS(): boolean;
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