import { Context, Effect, Layer } from "effect";
import { ConnectionManager } from "./connection-manager.js";
import { EventHub } from "./event-hub.js";
import { AcpConnectionError } from "./schema.js";
import { WriteQueue } from "./write-queue.js";
export interface PromptTextBlock {
    readonly type: "text";
    readonly text: string;
}
export interface PromptResourceLinkBlock {
    readonly type: "resource_link";
    readonly uri: string;
    readonly name: string;
    readonly description?: string | null;
    readonly mimeType?: string | null;
    readonly title?: string | null;
}
export interface PromptImageBlock {
    readonly type: "image";
    readonly data: string;
    readonly mimeType: string;
}
export type PromptInputBlock = PromptTextBlock | PromptResourceLinkBlock | PromptImageBlock;
declare const PromptEngine_base: Context.TagClass<PromptEngine, "@agentpane/PromptEngine", {
    readonly prompt: (sessionId: string, blocks: ReadonlyArray<PromptInputBlock>) => Effect.Effect<{
        userTurnId: string;
        assistantTurnId: string;
    }, AcpConnectionError>;
}>;
export declare class PromptEngine extends PromptEngine_base {
    static readonly layer: Layer.Layer<PromptEngine, never, EventHub | WriteQueue | ConnectionManager>;
}
export {};