/** Shared tool input pending threshold ms value. */
export declare const TOOL_INPUT_PENDING_THRESHOLD_MS = 5000;
type ToolInputActivityStatus = "pending_input" | "streaming_input";
type ToolInputStatusState = {
    dueAt: number | null;
    lastStatus: ToolInputActivityStatus | null;
};
export declare function getToolCallIdFromStreamPart(part: unknown): string | null;
export declare function collectDueToolStatuses(toolStates: Map<string, ToolInputStatusState>, now: number, thresholdMs: number): Array<{
    type: "data-tool-call-status";
    data: {
        toolCallId: string;
        status: "pending_input";
    };
}>;
/** Applies tool input status transitions. */
export declare function withToolInputStatusTransitions(stream: AsyncIterable<unknown>, thresholdMs?: number): AsyncIterable<unknown>;
export {};
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