export declare const PROSE_READER_NAMESPACE = "@prose-reader/core";
export declare const VIEWPORT_ADJUSTMENT_THROTTLE = 0;
export declare const PAGINATION_UPDATE_AFTER_VIEWPORT_ADJUSTMENT_DEBOUNCE = 200;
export declare const HTML_PREFIX = "prose-reader";
export declare const HTML_STYLE_PREFIX = "prose-reader-style";
export declare const HTML_ATTRIBUTE_DATA_READER_ID = "data-prose-reader-id";
export declare const HTML_PREFIX_VIEWPORT = "prose-reader-viewport";
export declare const HTML_PREFIX_SCROLL_NAVIGATOR = "prose-reader-scroll-navigator";
export declare const HTML_PREFIX_SPINE_ITEM = "prose-reader-spine-item";
export declare const CSS_VAR_ABSOLUTE_VIEWPORT_WIDTH = "--prose-reader-absolute-viewport-width";
export declare const CSS_VAR_ABSOLUTE_VIEWPORT_HEIGHT = "--prose-reader-absolute-viewport-height";