/**
 * Fluent Grow Flex Item Utility
 * -----------------------------
 * Provides granular control over flex items with optional responsive overrides.
 */
export interface FlexItemConfig {
    flex?: string | number;
    flexGrow?: number;
    flexShrink?: number;
    flexBasis?: string | number;
    alignSelf?: 'auto' | 'flex-start' | 'flex-end' | 'center' | 'baseline' | 'stretch';
    order?: number;
    minWidth?: string;
    maxWidth?: string;
    minHeight?: string;
    maxHeight?: string;
}
export interface FlexItemResponsiveConfig {
    query: string;
    config: FlexItemConfig;
}
export declare class FlexItem {
    private element;
    private cleanupFns;
    constructor(element: HTMLElement, initialConfig?: FlexItemConfig);
    config(config: FlexItemConfig): this;
    grow(value: number): this;
    shrink(value: number): this;
    basis(value: string | number): this;
    alignSelf(value: FlexItemConfig['alignSelf']): this;
    order(value: number): this;
    responsive(responsive: FlexItemResponsiveConfig[] | Record<string, FlexItemConfig>, base?: FlexItemConfig): this;
    destroy(): void;
}
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