export interface BlockStack {
    first: boolean;
    blocks: string[];
}
/**
 * Initial block stack
 */
export declare function blocksInit(): BlockStack;
/**
 * Next node
 */
export declare function blocksNextNode(stack: BlockStack): void;
/**
 * enter block
 */
export declare function blocksEnterBlock(stack: BlockStack, blockType: string, setFirst: (b: string) => boolean): BlockStack;
/**
 * Create a prefix within an existing line
 */
export declare function prefixInLine(blocks: string[]): string;
/**
 * Create a new line
 */
export declare function newLine(blocks: string[]): string;
/**
 * Next node
 */
export declare function nextNode(parameters: any): void;
/**
 * Set parameters for general blocks
 */
export declare function mkParameters(ast: any, parametersOut: any, init: any, setFirst: (b: string) => boolean): any;
/**
 * Create a line prefix
 */
export declare function mkPrefix(parameters: any, nb: number): string;
/**
 * Create a single new line
 */
export declare function mkNewLine(parameters: any): string;
/**
 * Create Setext heading
 */
export declare function mkSetextHeading(level: number): string;
/**
 * Create ATX heading
 */
export declare function mkATXHeading(level: number): string;
/**
 * Create table heading
 */
export declare function mkTableHeading(col: number): string;
/**
 * Adding escapes for text nodes
 */
export declare function escapeText(input: string): string;
/**
 * Adding escapes for code blocks
 */
export declare function escapeCodeBlock(input: string): string;
/**
 * Removing escapes
 */
export declare function unescapeCodeBlock(input: string): string;
/**
 * Parses an HTML block and extracts the attributes, tag name and tag contents.
 * Note that this will return null for strings like this: </foo>
 */
export declare function parseHtmlBlock(input: string): any;
/**
 * Merge adjacent Html nodes in a list of nodes
 */
export declare function mergeAdjacentHtmlNodes(nodes: any[], tagInfo: boolean): any[];
/**
 * Determine the heading level
 */
export declare function headingLevel(tag: string): string;
/**
 * Get an attribute value
 */
export declare function getAttr(attrs: any, name: string, def: any): string;
/**
 * Trim single ending newline
 */
export declare function trimEndline(text: string): string;