export interface Directive {
    name: string;
    module: string;
    description: string;
    syntax: string[];
    contexts: string[];
    isBlock: boolean;
    default: string;
}
export interface Variable {
    name: string;
    module: string;
    description: string;
}
export declare enum Format {
    Markdown = 1,
    HTML = 2
}
/**
 * Returns all the nginx directives
 *
 *  @param: format: format of the return type HTML or markdown
 *  @return: an array of Directives
 */
export declare function getDirectives(format?: Format): Directive[];
/**
 * Returns all variables defined by any moduled
 *
 *  @param: format: format of the return type HTML or markdown
 *  @return: an array of Variables
 */
export declare function getVariables(format?: Format): Variable[];
/**
 * Returns the description corresponding to the directive or variable name
 *
 *  @param: directive: directive name to find
 *  @param: module: optional name of module
 *  @param: format: format of the return type HTML or markdown
 *
 *  @return: a string containing the description of the directive in xml or markdown format
 */
export declare function find(directive: string, module: string | undefined, format?: Format): string | undefined;