import type { ItemFlow, ControlFlow } from "../../types/flow/model";
import type { Position } from "../../types/state/position";
/**
 * Type guard for `ControlFlow` objects.
 *
 * @param flow An `ItemFlow` object.
 * @returns A boolean indicating whether the `flow` is a `ControlFlow` object.
 */
export declare function is(flow: ItemFlow): flow is ControlFlow;
/**
 * Returns the initial position for the given `ControlFlow` object if there is an initial position, otherwise it returns `null`.
 *
 * @param flow A `ControlFlow` object.
 * @param values An object containing the generated values within the multi-step form.
 * @returns A `Position` object representing the initial position, or `null` if there is no initial position.
 */
export declare function into(flow: ControlFlow, values: Record<string, unknown>): Position | null;
/**
 * Returns the next position for the given `ControlFlow` object if there is a next position, otherwise it returns `null`.
 *
 * @param flow A `ControlFlow` object.
 * @param position A `Position` object representing the current position.
 * @param values An object containing the generated values within the multi-step form.
 * @returns A `Position` object representing the next position, or `null` if there is no next position.
 */
export declare function next(flow: ControlFlow, position: Position, values: Record<string, unknown>): Position | null;
/**
 * Returns the `ItemFlow` object at the given position within the given `ControlFlow` object.
 *
 * @param flow The `ControlFlow` object.
 * @param position The position within the `ControlFlow` object.
 * @returns The `ItemFlow` object at the given position within the `ControlFlow` object.
 */
export declare function at(flow: ControlFlow, position: Position): ItemFlow;
/**
 * Returns the `ItemFlow` object at the given path within the given `ControlFlow` object.
 *
 * @param flow The `ControlFlow` object.
 * @param path The path within the `ControlFlow` object.
 * @returns The `ItemFlow` object at the given path within the `ControlFlow` object.
 */
export declare function find(flow: ControlFlow, path: Position[]): ItemFlow;
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