export type TurboStreamAction = 'append' | 'prepend' | 'replace' | 'remove' | 'update';
export interface PartialReloadOptions {
    /** When true, use Turbo Stream content type (`text/vnd.turbo-stream.html`). */
    turboStream?: boolean;
    /** Turbo-Frame id echoed back to the client on frame requests. */
    turboFrame?: string;
    /** HTMX event(s) to fire after the swap (`HX-Trigger`). */
    htmxTrigger?: string | Record<string, unknown>;
    /** URL to push into browser history (`HX-Push-Url`). */
    htmxPushUrl?: string;
    /** Selector to retarget the swap (`HX-Retarget`). */
    htmxRetarget?: string;
    /** Swap strategy override (`HX-Reswap`). */
    htmxReswap?: string;
    /** Additional response headers. */
    headers?: HeadersInit;
}
export declare function isHtmxRequest(request: Request): boolean;
export declare function isTurboFrameRequest(request: Request): boolean;
export declare function buildTurboStream(action: TurboStreamAction, target: string, content?: string): string;
export declare function applyPartialReloadHeaders(headers: Headers, options?: PartialReloadOptions): void;
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