import type { ModelMessage } from "ai";
/**
 * Converts provider-executed tool outcomes into replay-safe model messages.
 *
 * Provider SDKs can return a tool call and its result inside one assistant
 * message. Each matching call is rewritten as a normal call and consecutive
 * results are moved into a tool message at their original position when the
 * call lacks the matching marker or shares an assistant message with a local
 * tool call. Native provider-only call/result pairs remain untouched. Text
 * before a result remains before it; text after a result remains after it.
 */
export declare function normalizeProviderToolHistory(input: {
    readonly messages: readonly ModelMessage[];
    readonly providerExecutedOutcomeIds: ReadonlySet<string>;
}): {
    readonly messages: ModelMessage[];
    readonly outcomeEndsResponse: boolean;
};