import type { AnyRecord, Model, PrimaryKey, UnknownRecord } from '../Contracts';
declare const Fluent_base: (abstract new (...args: import("../Contracts").Args) => {
    attributes: Record<string, unknown>;
    hidden: string[];
    visible: string[];
    setAttributeValue<T = never>(key: string, value: T): any;
    getAttributeValue<T = undefined>(key: string): T;
    makeVisible(attribute: string): any;
    makeHidden(attribute: string): any;
    getAttributes(): AnyRecord;
    getAttributesValue(): undefined[];
    toSerializable(): AnyRecord;
}) & {
    new (): {};
};
export default class Fluent extends Fluent_base implements Model {
    attributes: UnknownRecord;
    constructor(attributes?: UnknownRecord);
    /**
     * Set the attributes.
     */
    setAttributes(attributes: UnknownRecord): this;
    /**
     * Set value for the given key.
     */
    setAttribute(key: string, value: unknown): this;
    /**
     * Get value for the given key.
     */
    getAttribute<T = undefined>(key: string): T;
    /**
     * Get the model key.
     */
    getKey(): PrimaryKey;
    /**
     * Get primary key name of the model.
     */
    getKeyName(): string;
    /**
     * Convert attributes to JSON string.
     */
    toJson(): string;
}
export {};