import { type NodeName, type Edge, type ChannelSchema, type ONIConfig, type ONIStreamEvent } from "../types.js";
import type { PendingSend } from "./types.js";
export declare function buildInitialState<S extends Record<string, unknown>>(channels: ChannelSchema<S>): S;
export declare function applyUpdate<S extends Record<string, unknown>>(channels: ChannelSchema<S>, current: S, update: Partial<S>): S;
export declare function resetEphemeral<S extends Record<string, unknown>>(state: S, ephemeralKeys: (keyof S)[], channels: ChannelSchema<S>): S;
export declare function getNextNodes<S extends Record<string, unknown>>(fromNode: NodeName, state: S, edgesBySource: Map<string, Edge<S>[]>, config?: ONIConfig): {
    nodes: NodeName[];
    sends: PendingSend[];
};
export declare function checkDynamicInterrupt<S extends Record<string, unknown>>(node: string, timing: "before" | "after", state: S, config?: ONIConfig): void;
export declare function evt<S extends Record<string, unknown>>(event: ONIStreamEvent<S>["event"], data: Partial<S> | S, step: number, agentId?: string, node?: string): ONIStreamEvent<S>;
//# sourceMappingURL=state-helpers.d.ts.map