import { Ref } from 'vue';

/**
 * Vue related
 */
declare type MaybeRef<T> = T | Ref<T>;
/**
 * Utility types
 */
declare type IsUnion<T, S = T> = T extends S ? [S] extends [T] ? false : true : false;
declare type IsReadonlyArray<T> = Readonly<T> extends T ? true : false;
declare type InferType<T> = T extends infer Type ? Type : never;
declare type WidenPrimitive<T> = T extends number ? number : T extends string ? string : T extends boolean ? boolean : T;
declare type WidenIfNotUnion<T> = IsUnion<T> extends true ? T : WidenPrimitive<T>;
/**
 * Plugin options.
 */
declare type FirebaseConfig = {
    apiKey?: string;
    authDomain?: string;
    databaseURL?: string;
    projectId?: string;
    storageBucket?: string;
    messagingSenderId?: string;
    appId?: string;
};
interface Options {
    /**
       * Relative paths to the firebase directory.
       * @default 'src/firebase/firestore'
       */
    firestoreDirs?: string | string[];
    /**
     * Generate TypeScript declaration for firestore collection path to collection type definition
     *
     * @default true
     */
    dts?: boolean | string;
    firebaseConfig?: FirebaseConfig;
}
declare type ResolvedOptions = Required<Options> & {
    firestoreDirs: string[];
    dts: string | false;
    root: string;
    globs: string[];
    resolvedfirestoreDirs: string[];
};

export { FirebaseConfig, InferType, IsReadonlyArray, IsUnion, MaybeRef, Options, ResolvedOptions, WidenIfNotUnion, WidenPrimitive };