/**
 * Action dispatcher — executes serialized actions at runtime.
 *
 * Client actions (setState, showToast, etc.) run locally.
 * MCP actions (toolCall, sendMessage) delegate to the transport layer.
 */
import type { Store } from './state.js';
import type { EvalScope } from './rx.js';
/** MCP transport interface — injected at mount time */
export interface McpTransport {
    callTool(name: string, args: Record<string, unknown>): Promise<unknown>;
    sendMessage(message: string): Promise<void>;
    /** Subscribe to a resource URI for push updates. Returns an unsubscribe function. */
    subscribe?(uri: string, onData: (data: unknown) => void): () => void;
    /** Transport capabilities discovered during handshake. */
    readonly capabilities?: {
        subscriptions?: boolean;
    };
}
/** Toast event — emitted for showToast actions */
export interface ToastEvent {
    message: string;
    description?: string;
    variant?: string;
    duration?: number;
}
/** Action dispatcher context */
export interface DispatchContext {
    store: Store;
    transport?: McpTransport;
    scope?: EvalScope;
    rerender: () => void;
    onToast?: (toast: ToastEvent) => void;
    /** Replace the current view with a new prefab wire payload (server-rendered pattern). */
    remount?: (data: Record<string, unknown>) => void;
}
export type ActionJSON = Record<string, unknown>;
/**
 * Dispatch one or more serialized actions.
 */
export declare function dispatchActions(actions: ActionJSON | ActionJSON[], ctx: DispatchContext): Promise<void>;
/** Clear all active intervals (called on destroy). */
export declare function clearAllIntervals(): void;
/** Clear all active subscriptions (called on destroy). */
export declare function clearAllSubscriptions(): void;
/**
 * Extract a prefab wire payload from a tool call result.
 *
 * Checks both the result itself and `structuredContent` for a `$prefab` marker.
 * Also inspects MCP content arrays for JSON text blocks containing `$prefab`.
 */
export declare function extractPrefabPayload(result: unknown): Record<string, unknown> | null;
/**
 * Extract a prefab state-update payload from a tool call result.
 *
 * Mirrors extractPrefabPayload but matches `{ $prefab, update: { state } }`
 * (the shape produced by `display_update()`).
 */
export declare function extractPrefabUpdate(result: unknown): Record<string, unknown> | null;
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