interface ColumnInterface {
    attributeChangedCallback(name: string, oldValue: string, newValue: string): void;
    connectedCallback(): void;
    updateStyleBySpan(span: SpanType): void;
}
declare type ColumnAttributeType = 'xxl' | 'xl' | 'lg' | 'md' | 'sm' | 'xs' | 'style';
interface SpanType {
    xxl: string;
    xl: string;
    lg: string;
    md: string;
    sm: string;
    xs: string;
}
export default class Column extends HTMLElement implements ColumnInterface {
    static get observedAttributes(): ColumnAttributeType[];
    private readonly $container;
    private readonly $slot;
    private readonly $style;
    span: SpanType;
    constructor();
    connectedCallback(): void;
    attributeChangedCallback(name: any, oldValue: any, newValue: any): void;
    updateStyleBySpan({ xxl, xl, lg, md, sm, xs }: {
        xxl: any;
        xl: any;
        lg: any;
        md: any;
        sm: any;
        xs: any;
    }): void;
    setSpan(span: SpanType): this;
    setContent(content: HTMLElement | string): this;
}
export {};