/**
 * This file was auto-generated by Fern from our API Definition.
 */
import * as Vellum from "../index";
/**
 * A block that represents a chat message in a prompt template.
 */
export interface ChatMessagePromptBlock {
    blockType: "CHAT_MESSAGE";
    state?: Vellum.PromptBlockState;
    cacheConfig?: Vellum.EphemeralPromptCacheConfig | null;
    chatRole: Vellum.ChatMessageRole;
    chatSource?: string | null;
    chatMessageUnterminated?: boolean;
    blocks: Vellum.PromptBlock[];
}