export declare function typeIsNumber(value: unknown): value is number;
export declare function typeIsString(value: unknown): value is string;
export declare function typeIsBoolean(value: unknown): value is boolean;
export declare function typeIsUndefined(value: unknown): value is undefined;
export declare function typeIsObject(value: unknown): value is Record<any, any>;
export declare function typeIsNull(value: unknown): value is null;
export declare function typeIsFunction(value: unknown): value is Function;
export declare function typeIsArray<T = any>(value: unknown): value is Array<T>;
export declare function typeIsFloat32Array(value: unknown): value is Float32Array;
export declare function typeIsInt16Array(value: unknown): value is Int16Array;
export declare function typeIsUint8Array(value: unknown): value is Uint8Array;
export declare function typeIsMediaStream(value: unknown): value is MediaStream;
export declare function typeIsHTMLVideoElement(value: unknown): value is HTMLVideoElement;
export declare function typeIsHTMLElement(value: unknown): value is HTMLElement;
export declare function typeIsHTMLMediaElement(value: unknown): value is HTMLMediaElement;
export declare function typeIsHTMLImageElement(value: unknown): value is HTMLImageElement;
export declare function typeIsArrayBuffer(value: unknown): value is ArrayBuffer;
export declare function typeIsMixImageURL(url: string): boolean;
export declare function notZegoNumber(value: unknown): boolean;