import { z } from "zod/v4";
import { type ChatMessage, type PlaceholderMessage, type PromptChatMessageSchema, type ChatMessageWithId, type ChatMessageWithIdNoPlaceholders } from "./types";
export type MessagePlaceholderValues = Record<string, unknown[]>;
export type PromptMessage = z.infer<typeof PromptChatMessageSchema>;
export declare function isPlaceholder(message: PromptMessage): message is PlaceholderMessage;
export declare function compileChatMessages(messages: PromptMessage[], placeholderValues: MessagePlaceholderValues, textVariables?: Record<string, string>): ChatMessage[];
export declare function compileChatMessagesWithIds(messages: ChatMessageWithId[], placeholderValues: MessagePlaceholderValues, textVariables?: Record<string, string>): ChatMessageWithIdNoPlaceholders[];
export declare function extractPlaceholderNames(messages: PromptMessage[]): string[];
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