/**
 * Format a date in a standardized way: YYYY-MM-DD HH:MM:SS UTC
 * @param dateInput - ISO date string, Date object, or timestamp number
 * @returns Formatted date string
 */
export declare function formatDate(dateInput?: string | Date | number): string;
/**
 * Format a heading with consistent style
 * @param text - Heading text
 * @param level - Heading level (1-6)
 * @returns Formatted heading
 */
export declare function formatHeading(text: string, level?: number): string;
/**
 * Format a code block with the given content
 * @param content Code content
 * @param language Optional language for syntax highlighting
 * @returns Formatted code block
 */
export declare function formatCodeBlock(content: string, language?: string): string;
/**
 * Format a URL as a markdown link
 * @param url - URL to format
 * @param title - Link title
 * @returns Formatted markdown link
 */
export declare function formatUrl(url?: string, title?: string): string;
/**
 * Format a separator line
 * @returns Separator line
 */
export declare function formatSeparator(): string;
/**
 * Format a list of key-value pairs as a bullet list
 * @param items - Object with key-value pairs
 * @param keyFormatter - Optional function to format keys
 * @returns Formatted bullet list
 */
export declare function formatBulletList(items: Record<string, unknown>, keyFormatter?: (key: string) => string): string;
/**
 * Base formatter for command execution results
 * Creates a standard Markdown format for command output
 *
 * @param title Title for the output (e.g., "AWS SSO: Command Output")
 * @param contextProps Properties to display in the context section
 * @param outputSections Array of sections to add (each with heading and content)
 * @param footerInfo Additional footer information before the timestamp
 * @param identityInfo Optional identity and region information
 * @returns Formatted Markdown string
 */
export declare function baseCommandFormatter(title: string, contextProps: Record<string, unknown>, outputSections: Array<{
    heading: string;
    level?: number;
    content: string | string[];
    isCodeBlock?: boolean;
    language?: string;
}>, footerInfo?: string | string[], identityInfo?: {
    defaultRegion?: string;
    selectedRegion?: string;
    identity?: {
        accountId?: string;
        roleName?: string;
    };
}): string;