export declare function repeat(character: string, count: number): string;
export declare function trimLeadingNewlines(string: string): string;
export declare function trimTrailingNewlines(string: string): string;
export declare function trimNewlines(string: string): string;
export declare const blockElements: string[];
export declare function isTransparentWrapper(node: Node): boolean;
export declare function resetBlockCache(): void;
export declare function isBlock(node: Node): boolean;
export declare const voidElements: string[];
export declare function isVoid(node: Node): boolean;
export declare function hasVoid(node: Node): boolean;
export declare const standardMarkdownElements: string[];
export declare function isMeaningfulWhenBlank(node: Node): boolean;
export declare function hasMeaningfulWhenBlank(node: Node): boolean;
export declare function sanitizedHtmlAttribute(value: string): string;
export declare function sanitizeWhitespace(string: string): string;
export declare function sanitizedLinkContent(content: string): string;
export declare function splitBlockEdges(content: string): {
    leading: string;
    body: string;
    trailing: string;
};
export declare function wrapInlineContent(content: string, wrap: (text: string) => string): string;
export declare function sanitizedLinkTitle(content: string): string;
export declare function isCodeBlockSpecialCase1(node: Node): boolean;
export declare function isCodeBlockSpecialCase2(node: Node): boolean;
export declare function isCodeBlock(node: Node): boolean;
export declare function isWhitespacePreserved(node: Node): boolean;
export type RequireOnly<T, K extends keyof T> = T & Required<Pick<T, K>>;