import React from 'react';
export declare const LOADING_SIZE = 16;
export declare const COLLAPSE_VARIANTS: {
    expanded: {
        height: string;
        opacity: number;
    };
    collapsed: {
        height: number;
        opacity: number;
    };
};
export declare const COLLAPSE_TRANSITION: {
    height: {
        duration: number;
        ease: number[];
    };
    opacity: {
        duration: number;
        ease: number[];
    };
};
export declare const getArrowRotation: (collapsed: boolean) => React.CSSProperties;
export declare const hasTaskContent: (content: React.ReactNode | React.ReactNode[]) => boolean;
