import React from "react";
/**
 * Represents a selectable user item with optional role information.
 */
export interface SelectableUser {
    uid: string;
    displayName?: string | null;
    email?: string | null;
    photoURL?: string | null;
    roles?: string[];
}
export interface UserSelectPopoverProps {
    /**
     * The currently selected user, or `null` for "self"/default.
     */
    selectedUser: SelectableUser | null;
    /**
     * Called when the user selection changes.
     * `null` means "reset to self/default".
     */
    onUserSelected: (user: SelectableUser | null) => void;
    /**
     * Full list of users to display.
     * The component handles client-side search/filter internally.
     */
    users: SelectableUser[];
    /**
     * Whether users are currently loading.
     */
    loading?: boolean;
    /**
     * The current user (displayed as the "self" option at the top).
     */
    currentUser?: SelectableUser | null;
    /**
     * Label to display when no user is selected.
     * @default "Current user"
     */
    defaultLabel?: string;
    /**
     * Maximum number of users to render at a time (for performance).
     * Users can still be found via search.
     * @default 100
     */
    renderLimit?: number;
    /**
     * Additional class name for the trigger button.
     */
    className?: string;
    /**
     * Size variant.
     * @default "small"
     */
    size?: "small" | "medium";
}
/**
 * A reusable user picker popover with search support.
 * Designed to handle very large user lists (100k+) by filtering
 * client-side and limiting the rendered set.
 *
 * @group Components
 */
export declare function UserSelectPopover({ selectedUser, onUserSelected, users, loading, currentUser, defaultLabel, renderLimit, className, size }: UserSelectPopoverProps): React.JSX.Element;