export declare const usePanel: (inProps?: unknown) => import("@primereact/types/core").HeadlessInstance<import("@primereact/types/headless/panel").UsePanelProps, unknown, {
    rootProps: {
        'data-scope': string;
        'data-part': string;
        'data-disabled'?: string | undefined;
    };
    contentProps: {
        'data-scope': string;
        'data-part': string;
        id: string | undefined;
        role: "region";
        'aria-hidden': boolean;
    };
    triggerProps: {
        'data-scope': string;
        'data-part': string;
        onClick: (event?: React.SyntheticEvent) => void;
        type: "button";
        tabIndex: number | undefined;
        'aria-expanded': boolean | undefined;
        'aria-disabled': true | undefined;
        'aria-controls': string | undefined;
    };
    indicatorProps: {
        [x: string]: string;
        'data-scope': string;
        'data-part': string;
    };
    ref: import("react").Ref<unknown>;
    elementRef: import("react").RefObject<HTMLElement | undefined>;
    id?: string | undefined;
    name?: string | undefined;
    type?: import("@primereact/types/core").Types | undefined;
    scope?: string | undefined;
    part?: string | undefined;
    inProps?: import("@primereact/types").SafeRecord<import("@primereact/headless/collapsible").UseCollapsibleProps> | undefined;
    $attrSelector?: string | undefined;
    $primereact: import("@primereact/types/core").Contexts;
    props: import("@primereact/types").SafeRecord<import("@primereact/headless/collapsible").UseCollapsibleProps>;
    attrs: Omit<import("@primereact/types").SafeRecord<import("@primereact/headless/collapsible").UseCollapsibleProps>, keyof import("@primereact/headless/collapsible").UseCollapsibleProps> & Record<PropertyKey, unknown>;
    state: {
        open: boolean | undefined;
    };
    $computedSetup: {
        state: {
            open: boolean | undefined;
        };
        rootProps: {
            'data-disabled'?: string | undefined;
            'data-scope': string;
            'data-part': string;
        };
        triggerProps: {
            [x: string]: string | number | boolean | ((event?: React.SyntheticEvent) => void) | undefined;
            type: "button";
            tabIndex: number | undefined;
            'aria-expanded': boolean | undefined;
            'aria-disabled': true | undefined;
            'aria-controls': string | undefined;
            'data-scope': string;
            'data-part': string;
            onClick: (event?: React.SyntheticEvent) => void;
        };
        contentProps: {
            [x: string]: string | boolean | undefined;
            id: string | undefined;
            role: "region";
            'aria-hidden': boolean;
            'data-scope': string;
            'data-part': string;
        };
        open: (event?: React.SyntheticEvent) => void;
        close: (event?: React.SyntheticEvent) => void;
        toggle: (event?: React.SyntheticEvent) => void;
    };
    open: (event?: React.SyntheticEvent) => void;
    close: (event?: React.SyntheticEvent) => void;
    toggle: (event?: React.SyntheticEvent) => void;
}>;