import { Accessibility, LoaderBehaviorProps } from '@fluentui/accessibility';
import { ShorthandConfig } from '@fluentui/react-bindings';
import * as PropTypes from 'prop-types';
import * as React from 'react';
import { UIComponentProps, SizeValue } from '../../utils';
import { ShorthandValue, FluentComponentStaticProps } from '../../types';
import { BoxProps } from '../Box/Box';
import { TextProps } from '../Text/Text';
export interface LoaderSlotClassNames {
    indicator: string;
    label: string;
}
export interface LoaderProps extends UIComponentProps {
    /** Accessibility behavior if overridden by the user. */
    accessibility?: Accessibility<LoaderBehaviorProps>;
    /** Time in milliseconds after component mount before spinner is visible. */
    delay?: number;
    /** A loader can contain an indicator. */
    indicator?: ShorthandValue<BoxProps>;
    /** Loaders can appear inline with content. */
    inline?: boolean;
    /** A loader can contain a label. */
    label?: ShorthandValue<TextProps>;
    /** A label in the loader can have different positions. */
    labelPosition?: 'above' | 'below' | 'start' | 'end';
    /** A size of the loader. */
    size?: SizeValue;
    /** A loader can contain a custom svg element. */
    svg?: ShorthandValue<BoxProps>;
    /** A loader can be secondary */
    secondary?: boolean;
}
export interface LoaderState {
    visible: boolean;
    labelId: string;
}
export declare const loaderClassName = "ui-loader";
export declare const loaderSlotClassNames: LoaderSlotClassNames;
export declare type LoaderStylesProps = Pick<LoaderProps, 'inline' | 'labelPosition' | 'size' | 'secondary'>;
/**
 * A loader alerts a user that content is being loaded or processed and they should wait for the activity to complete.
 *
 * @accessibility
 * Implements [ARIA progressbar](https://www.w3.org/TR/wai-aria-1.1/#progressbar) role.
 */
export declare const Loader: (<TExtendedElementType extends React.ElementType<any> = "div">(props: React.RefAttributes<HTMLDivElement> & Omit<import("@fluentui/react-bindings").PropsOfElement<TExtendedElementType>, "as" | keyof LoaderProps> & {
    as?: TExtendedElementType;
} & LoaderProps) => JSX.Element) & {
    propTypes?: React.WeakValidationMap<LoaderProps> & {
        as: React.Requireable<string | ((props: any, context?: any) => any) | (new (props: any, context?: any) => any)>;
    };
    contextTypes?: PropTypes.ValidationMap<any>;
    defaultProps?: Partial<LoaderProps & {
        as: "div";
    }>;
    displayName?: string;
    readonly __PRIVATE_PROPS?: React.RefAttributes<HTMLDivElement> & Omit<Pick<React.DetailedHTMLProps<React.HTMLAttributes<HTMLDivElement>, HTMLDivElement>, "key" | keyof React.HTMLAttributes<HTMLDivElement>> & {
        ref?: React.Ref<HTMLDivElement>;
    }, "as" | keyof LoaderProps> & {
        as?: "div";
    } & LoaderProps;
} & FluentComponentStaticProps<LoaderProps> & {
    shorthandConfig: ShorthandConfig<LoaderProps>;
};