import { Variables } from "expry";
import { ListSchema } from "../types/schema";
import { Flow } from "../types/flow";
export declare class Controller {
    private schema;
    constructor(schema: ListSchema);
    initial(variables?: Variables): Flow;
    private initialPath;
    private initialPathSchema;
    private initialPathPosition;
    private nearestStopPoint;
    private nextPoint;
    private nextFlowPoint;
    private nextFlowPointNext;
    private nextFlowPointInto;
    private parentPoint;
    next(flow: Flow, formData: Variables): Flow;
    private updateFields;
    private navigateNext;
    previous(flow: Flow, formData: Variables): Flow;
    private navigatePrevious;
}
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