import { ComputedRef } from 'vue';
export interface UseFBreakpointsReturn {
    isXxsAndDown: ComputedRef<boolean>;
    isXsAndDown: ComputedRef<boolean>;
    isSmAndDown: ComputedRef<boolean>;
    isMdAndDown: ComputedRef<boolean>;
    isLgAndDown: ComputedRef<boolean>;
    xxsAndDown<T extends string | number>(value: T, fallback: T): T;
    xsAndDown<T extends string | number>(value: T, fallback: T): T;
    smAndDown<T extends string | number>(value: T, fallback: T): T;
    mdAndDown<T extends string | number>(value: T, fallback: T): T;
    lgAndDown<T extends string | number>(value: T, fallback: T): T;
}
/**
 * Returns breakpoints boolean values and utils breakpoints functions
 */
export declare function useFBreakpoints(): UseFBreakpointsReturn;