import { MaybeArray } from '../utils/array';
import { Reactive, ReactiveValue } from './reactive';
import { MaybeReactive, MaybeReactiveProps } from './types';

export declare function getReactiveElements<T>(maybeArray?: MaybeArray<MaybeReactive<T>>): Reactive<T>[];
export declare function getReactiveElementsFromObject<T extends object>(obj: MaybeReactiveProps<T>): Partial<{ [K in keyof T]: ReactiveValue<T[K]>; }>;
export declare function xequal<A, B extends A>(a: MaybeReactive<A>, b: MaybeReactive<B>): {
    valueChanges$: import('rxjs').Observable<boolean>;
    getterFn: () => boolean;
    readonly value: boolean;
};
export declare function xif(condition: MaybeReactive<boolean>): {
    xthen: <T>(trueValue: MaybeReactive<T>) => {
        xelse: (falseValue: MaybeReactive<T>) => {
            valueChanges$: import('rxjs').Observable<T>;
            getterFn: () => T;
            readonly value: T;
        };
    };
};
/**
 *
 * const cls = if(equal(value, activeClass)).then(activeClass).else("");
 */