import { Filter } from "./types";
export declare class ModelEvents {
    collection?: string;
    /**
     * Event callbacks
     */
    protected callbacks: Record<string, any[]>;
    /**
     * {@inheritdoc}
     */
    constructor(collection?: string);
    /**
     * Add callback when model is about to be created or updated
     *
     * Triggered before saving the model
     */
    onSaving(callback: (model: any, oldModel?: any) => void): this;
    /**
     * Add callback when model is created or updated
     *
     * Triggered after saving the model
     */
    onSaved(callback: (model: any, oldModel?: any) => void): this;
    /**
     * Add callback when model is about to be created
     */
    onCreating(callback: (model: any) => void): this;
    /**
     * Add callback when model is created
     */
    onCreated(callback: (model: any) => void): this;
    /**
     * Add callback when model is about to be updated
     */
    onUpdating(callback: (model: any, oldModel: any) => void): this;
    /**
     * Add callback when model is updated
     */
    onUpdated(callback: (model: any, oldModel: any) => void): this;
    /**
     * Add callback when model is about to be deleted
     */
    onDeleting(callback: (model: any) => void): this;
    /**
     * Add callback when model is deleted
     */
    onDeleted(callback: (model: any) => void): this;
    /**
     * Add callback when model is about to be fetched
     */
    onFetching(callback: (model: any, filterOptions: Filter) => void): this;
    /**
     * Trigger the given event
     */
    trigger(event: string, ...args: any[]): Promise<void>;
}
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