/**
 * @alpha
 */
type DataType = string | number | boolean | null | undefined;
export type EventProperty = Record<string, DataType | DataType[]>;
type KnownKeys<T> = keyof {
    [K in keyof T as string extends K ? never : K]: T[K];
};
export type Exact<Base extends EventProperty, Arg extends Base> = {
    [K in keyof Arg]: K extends KnownKeys<Base> ? Arg[K] : never;
};
export interface Event {
    repo?: string;
    feature: string;
    eventName: string;
    description?: string;
    properties?: EventProperty;
}
/**
 * Factory-level options for {@link defineFeatureEvents}. `silent: true` marks
 * every event produced by the factory as silent — dispatched to {@link EchoSrv}
 * subscribers but not forwarded to analytics backends. Use for high-frequency
 * UI signals that downstream subscribers (e.g. CUJ instrumentation) care about
 * but shouldn't pollute the analytics stream.
 */
export interface DefineFeatureEventsOptions {
    silent?: boolean;
}
export {};