import { User } from "./user.model";
export declare class UserBuilder {
    private _username?;
    private _clientId?;
    private _email;
    private _groups;
    /**
     * Get the username of the user
     * @returns {string | undefined} - The username
     */
    get username(): string;
    /**
     * Set the username of the user
     * @param {string} username - The username
     */
    setUsername(username: string): this;
    /**
     * Get the client ID
     * @returns {string | undefined} - The client ID
     */
    get clientId(): string;
    /**
     * Set the client ID for machine-to-machine authentication
     * @param {string} clientId - The client ID
     */
    setClientId(clientId: string): this;
    /**
     * Get the email of the user
     * @returns {string} - The email address
     */
    get email(): string;
    /**
     * Set the email address of the user
     * @param {string} email - The email address
     */
    setEmail(email: string | null): this;
    /**
     * Get the groups of the user
     */
    get groups(): string[];
    /**
     * Set the groups of the user and lowercase them to make them case insensitive
     * @param {string[]} groups - The groups
     */
    setGroups(groups: string[]): this;
    build(): User;
}
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