import { Auth } from 'firebase/auth';
import { Firestore } from 'firebase/firestore';
import { Functions } from 'firebase/functions';
import { FirebaseStorage } from 'firebase/storage';
import { FirebasePerformance } from 'firebase/performance';
import { OrgLists } from '../interfaces';
/** Remove null attributes from an object
 * @function
 * @param {Object} obj - Object to remove null attributes from
 * @returns {Object} Object with null attributes removed
 */
export declare const removeNull: (obj: object) => object;
/** Remove undefined attributes from an object
 * @function
 * @param {Object} obj - Object to remove undefined attributes from
 * @returns {Object} Object with undefined attributes removed
 */
export declare const removeUndefined: (obj: object) => object;
/** Recursively replace values in an object
 * @function
 * @param {Object} obj - Object to recursively replace values in
 * @param {unknown} valueToReplace - Value to replace
 * @param {unknown} replacementValue - Replacement value
 * @returns {Object} Object with values recursively replaced
 */
export declare const replaceValues: (obj: {
    [key: string]: unknown;
}, valueToReplace?: unknown, replacementValue?: unknown) => {
    [key: string]: unknown;
};
export interface CommonFirebaseConfig {
    projectId: string;
    apiKey: string;
    siteKey: string;
    debugToken?: string;
}
export interface EmulatorFirebaseConfig extends CommonFirebaseConfig {
    emulatorPorts: {
        db: number;
        auth: number;
        functions: number;
    };
}
export interface LiveFirebaseConfig extends CommonFirebaseConfig {
    authDomain: string;
    storageBucket: string;
    messagingSenderId: string;
    appId: string;
    measurementId?: string;
}
export declare type FirebaseConfig = LiveFirebaseConfig | EmulatorFirebaseConfig;
export declare const safeInitializeApp: (config: LiveFirebaseConfig, name: string) => import("@firebase/app").FirebaseApp;
export declare enum AuthPersistence {
    local = "local",
    session = "session",
    none = "none"
}
export interface MarkRawConfig {
    auth?: boolean;
    db?: boolean;
    functions?: boolean;
}
export declare const initializeFirebaseProject: (config: FirebaseConfig, name: string, authPersistence?: AuthPersistence, markRawConfig?: MarkRawConfig) => Promise<{
    firebaseApp: import("@firebase/app").FirebaseApp;
    auth: Auth;
    db: Firestore;
    functions: Functions;
    storage: FirebaseStorage;
    perf: FirebasePerformance | undefined;
} | {
    firebaseApp: import("@firebase/app").FirebaseApp;
    auth: Auth;
    db: Firestore;
    functions: Functions;
    storage: FirebaseStorage;
}>;
export declare const emptyOrg: () => {
    current: never[];
    all: never[];
    dates: {};
};
export declare const emptyOrgList: () => OrgLists;
/**
 * Merge new game parameters with old parameters with constraints
 *
 * The constraints are:
 * - no new parameters may be added,
 * - no old parameters may be removed,
 * - any parameters that have been changed must have had ``null`` values in ``oldParams``
 *
 * @param oldParams - Old game parameters
 * @param newParams - New game parameters
 * @returns merged game parameters
 */
export declare const mergeGameParams: (oldParams: {
    [key: string]: unknown;
}, newParams: {
    [key: string]: unknown;
}) => {
    keysAdded: boolean;
    merged: {
        [x: string]: unknown;
    } & {
        [key: string]: unknown;
    };
};
export declare const crc32String: (inputString: string) => string;
interface Node {
    id: string;
    [key: string]: unknown;
}
interface OrgNodes {
    districts?: Node[];
    schools?: Node[];
    classes?: Node[];
    groups?: Node[];
    families?: Node[];
}
interface TreeTableNode {
    key: string;
    data: Node;
    children?: TreeTableNode[];
}
export declare const getTreeTableOrgs: (inputOrgs: OrgNodes) => TreeTableNode[];
export declare const chunkOrgLists: ({ orgs, chunkSize }: {
    orgs?: OrgLists | undefined;
    chunkSize: number;
}) => undefined[] | OrgLists[];
export declare const pluralizeFirestoreCollection: (singular: string) => string;
export declare const singularizeFirestoreCollection: (plural: string) => string;
export {};