export declare class IndexEvent extends Event {
    data: IndexOp;
    static readonly type = "index";
    constructor(data: IndexOp);
}
export type IndexOp = {
    op: 'index';
    sha: string;
} | {
    op: 'entry';
    id: string;
} | {
    op: 'mutate';
    id: string;
    status: 'pending' | 'success' | 'failure';
    error?: Error;
};