export declare function isImageDataUri(value: unknown): boolean;
export declare function getImageDataUri(value: unknown): string | undefined;
export declare function isImageSrc(value: unknown): boolean;
export declare function getImageSrc(value: unknown): string | undefined;
export declare function isImageContent(value: unknown): boolean;
export declare function getImageContent(value: unknown): {
    type: string;
    content: string;
} | null;