import { EventCallable, Tuple, Unit, UnitTargetable } from 'effector';
type TargetUnits<T> = UnitTargetable<T | void> | Tuple<UnitTargetable<T | void>> | ReadonlyArray<UnitTargetable<T | void>>;
/**
 * @example
 * spread({
 *   source: dataObject,
 *   targets: { first: targetA, second: [target1, target2] },
 * })
 *
 * sample({
 *   source: dataObject,
 *   target: spread({ targets: { first: targetA, second: [target1, target2] } })
 * })
 *
 * sample({
 *   source: dataObject,
 *   target: spread({ first: targetA, second: [target1, target2] })
 * })
 */
export declare function spread<Payload>(config: {
    targets: {
        [Key in keyof Payload]?: TargetUnits<Payload[Key]>;
    };
}): EventCallable<Partial<Payload>>;
export declare function spread<Source, Payload extends Source extends Unit<infer S> ? S : never, Targets extends {
    [Key in keyof Payload]?: Targets[Key] extends TargetUnits<infer TargetType> ? Payload[Key] extends TargetType ? TargetUnits<TargetType> : TargetUnits<Payload[Key]> : TargetUnits<Payload[Key]>;
}>(config: {
    source: Source;
    targets: Targets;
}): Source;
export declare function spread<Payload>(targets: {
    [Key in keyof Payload]?: TargetUnits<Payload[Key]>;
}): EventCallable<Partial<Payload>>;
export {};