export declare abstract class ImageValidator {
    static mime(file: File, rule: string[]): {
        valid: boolean;
        message: string;
    };
    static minSize(file: File, rule: number): {
        valid: boolean;
        message: string;
    };
    static maxSize(file: File, rule: number): {
        valid: boolean;
        message: string;
    };
    static minWidth(file: File, rule: number): Promise<{
        valid: boolean;
        message: string;
    }>;
    static minHeight(file: File, rule: number): Promise<{
        valid: boolean;
        message: string;
    }>;
    static maxWidth(file: File, rule: number): Promise<{
        valid: boolean;
        message: string;
    }>;
    static maxHeight(file: File, rule: number): Promise<{
        valid: boolean;
        message: string;
    }>;
}