import type { AutoLinkOptions, ContentModelText, PromotedLink, ShallowMutableContentModelParagraph } from 'roosterjs-content-model-types';
/**
 * Promote the given text segment to a hyper link when the segment text is ending with a valid link format.
 * When the whole text segment if of a link, promote the whole segment.
 * When the text segment ends with a link format, split the segment and promote the second part
 * When link is in middle of the text segment, no action.
 * This is mainly used for doing auto link when there is a link before cursor
 * @param segment The text segment to search link text from
 * @param paragraph Parent paragraph of the segment
 * @param options Options of auto link
 * @returns If a link is promoted, return this segment. Otherwise return null
 */
export declare function promoteLink(segment: ContentModelText, paragraph: ShallowMutableContentModelParagraph, autoLinkOptions: AutoLinkOptions): ContentModelText | null;
/**
 * Verify if the link can be promoted
 * @param segment The text segment to search link text from
 * @param options Options of auto link
 * @returns if a link can be promoted
 */
export declare function getPromoteLink(segment: ContentModelText, autoLinkOptions: AutoLinkOptions): PromotedLink | undefined;