import type { ContentPart, ModelMessage, ToolSet } from "ai";
import type { InputRequest } from "#shared/input.js";
/**
 * Extracts tool approval input requests from AI SDK content parts that
 * contain `tool-approval-request` entries.
 */
export declare function extractToolApprovalInputRequests(input: {
    readonly content: readonly ContentPart<ToolSet>[];
    readonly excludedCallIds?: ReadonlySet<string>;
}): InputRequest[];
/**
 * Recovers approval request metadata for submitted input response IDs from
 * model history. The newest occurrence wins so compacted or repeated history
 * does not replace the request that is closest to the current turn.
 */
export declare function extractHistoricalInputRequests(input: {
    readonly history: readonly ModelMessage[];
    readonly requestIds: ReadonlySet<string>;
}): ReadonlyMap<string, InputRequest>;