/**
 * UI display types and helpers.
 */
import type { Message } from "@earendil-works/pi-ai";
/** A display-friendly representation of a message part. */
export type DisplayItem = {
    type: "text";
    text: string;
} | {
    type: "toolCall";
    name: string;
    args: Record<string, unknown>;
};
/** Extract all display-worthy items from a message history. */
export declare function getFlowDisplayItems(messages: Message[]): DisplayItem[];
/** Extract the last tool call from message history. */
export declare function getLastToolCall(messages: Message[]): {
    type: "toolCall";
    name: string;
    args: Record<string, unknown>;
} | undefined;
/** Extract the last assistant text from message history. */
export declare function getLastAssistantText(messages: Message[]): string;
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