import { IStackStyles, ITheme } from '@fluentui/react';
import { IButtonStyles, ITextFieldStyles } from '@fluentui/react';
/**
 * @private
 */
export declare const iconClassName: string;
/**
 * @private
 */
export declare const displayNameClassName: string;
/**
 * @private
 */
export declare const bannerTitleContainerClassName: string;
/**
 * @private
 */
export declare const isTypingClassName: (theme: ITheme) => string;
/**
 * @private
 */
export declare const rttContainerClassName: (theme: ITheme, isTyping: boolean) => string;
/**
 * @private
 */
export declare const rttDisclosureBannerClassName: () => string;
/**
 * @private
 */
export declare const realTimeTextInputBoxStyles: (theme: ITheme) => Partial<ITextFieldStyles>;
/**
 * @private
 */
export declare const expandIconClassName: (theme: ITheme) => IButtonStyles;
/**
 * @private
 */
export declare const captionClassName: string;
/**
 * @private
 */
export declare const captionsContainerClassName: string;
/**
 * @private
 */
export declare const hiddenAnnouncementClassName: string;
/**
 * @private
 */
export declare const captionContainerClassName: string;
/**
 * @private
 */
export declare const captionsBannerClassName: (formFactor: 'default' | 'compact', isExpanded?: boolean) => string;
/**
 * @private
 */
export declare const captionsBannerFullHeightClassName: (theme: ITheme) => string;
/**
 * @private
 */
export declare const loadingBannerStyles: (formFactor: 'default' | 'compact') => IStackStyles;
/**
 * @private
 */
export declare const loadingBannerFullHeightStyles: (theme: ITheme) => IStackStyles;
/**
 * @private
 */
export declare const captionsContentContainerClassName: string;
/**
 * @private
 */
export declare const displayNameContainerClassName: string;
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