import type { Context } from "hono";
import { type HtmlEscapedString } from "hono/utils/html";
export type PatchElementsOptions = {
    selector?: string;
    mode?: "outer" | "inner" | "replace" | "prepend" | "append" | "before" | "after" | "remove";
};
export type SSEStream = {
    patchElements: (html: HtmlEscapedString | Promise<HtmlEscapedString>, options?: PatchElementsOptions) => Promise<void>;
    patchSignals: (signals: Record<string, unknown>) => Promise<void>;
};
/**
 * Returns a full-page Response for direct browser loads,
 * or streams a datastar-patch-elements event for Datastar requests.
 */
export declare function respond(c: Context, opts: {
    fullPage: () => HtmlEscapedString | Promise<HtmlEscapedString>;
    fragment: () => HtmlEscapedString | Promise<HtmlEscapedString>;
}): Promise<Response>;
/**
 * Streams an SSE response for write operations (POST/PATCH/DELETE).
 * Callback receives helpers to patch DOM and signals.
 */
export declare function sseAction(c: Context, fn: (stream: SSEStream) => Promise<void>): Response;
//# sourceMappingURL=sse.d.ts.map