export declare const createIconly: (config?: IconlyConfig) => IconlyInstance;

export declare interface IconlyConfig {
    file?: string;
    version?: string;
    debug?: boolean;
    container?: string | HTMLElement;
    storage?: StorageStrategy;
    dbName?: string;
    storeName?: string;
    sessionKeyPrefix?: string;
    logger?: Logger;
    onError?: (error: IconlyError) => void;
    onDebug?: (...messages: unknown[]) => void;
}

export declare interface IconlyError {
    code: IconlyErrorCode;
    message: string;
    cause?: unknown;
}

export declare type IconlyErrorCode = 'container_invalid' | 'fetch_aborted' | 'fetch_failed' | 'indexeddb_not_supported' | 'indexeddb_open_failed' | 'indexeddb_request_failed' | 'parse_error' | 'storage_read_failed' | 'storage_unavailable' | 'storage_write_failed';

export declare interface IconlyInstance {
    init: () => Promise<Result<void>>;
    abort: () => void;
}

export declare interface IconRecord {
    version: string;
    data: string;
}

export declare interface IconStorage {
    get(version: string): Promise<Result<IconRecord | undefined>>;
    set(record: IconRecord): Promise<Result<void>>;
}

export declare interface Logger {
    debug?: (...messages: unknown[]) => void;
    error?: (...messages: unknown[]) => void;
}

export declare type Result<T> = {
    ok: true;
    value: T;
} | {
    ok: false;
    error: IconlyError;
};

export declare type StorageStrategy = 'indexeddb' | 'memory' | 'session' | IconStorage;

export { }