import type { ChatStreamState } from "../../runtime/chat-stream-handler.js";
import type { ChatStreamEvent } from "../../../chat/protocol.js";
import type { StreamLifecycleFrame, StreamSnapshot, StreamUsage } from "./types.js";
export declare function createStreamLifecycleLiveAdapter(input: {
    textPartId?: string;
}): {
    encode(frame: StreamLifecycleFrame): ChatStreamEvent[];
};
export declare function toLegacyRuntimeUsage(usage: StreamUsage): ChatStreamState["usage"];
export declare function applyLifecycleSnapshotToChatStreamState(state: ChatStreamState, snapshot: Readonly<StreamSnapshot>): void;
//# sourceMappingURL=live-adapter.d.ts.map