/**
 * Static registry of SDK capabilities, reported to the Lightdash host via the
 * `lightdash:sdk:manifest` message so the host can detect apps built on an
 * older SDK and offer an upgrade.
 *
 * Adding an SDK capability requires an entry here — features.test.ts fails if
 * a `lightdash:*:available` message exists without a matching key. Keys are
 * stable identifiers; label/description feed the host's "What's new" UI.
 */
export type SdkFeature = {
    key: string;
    label: string;
    description: string;
    /** Agent-facing note on the app-code wiring the feature needs before the
     *  host can use it (absent = zero wiring; it activates automatically once
     *  the bundle runs on a current SDK). Never rendered in user-facing UI. */
    wiring?: string;
};
export declare const SDK_FEATURES: SdkFeature[];
export declare const SDK_FEATURE_KEYS: string[];
export declare const SDK_MANIFEST_MESSAGE_TYPE = "lightdash:sdk:manifest";
/**
 * Sent from the app iframe to the Lightdash host: once when the postMessage
 * transport is created, and again each time the host announces
 * `lightdash:sdk:ready` (covers either side mounting first).
 */
export type SdkManifestMessage = {
    type: typeof SDK_MANIFEST_MESSAGE_TYPE;
    sdkVersion: string;
    features: string[];
};