export type OutputFormat = 'terminal' | 'md';
export declare function stripAnsi(value: string): string;
export declare function escapeMdCell(value: string): string;
export declare function visWidth(value: string): number;
export declare function padColumn(value: string, width: number, align?: 'left' | 'right', trailingGap?: boolean): string;
export declare function truncateToWidth(value: string, maxWidth: number): string;
export declare function heading(text: string, level: number, format: OutputFormat): string;
export declare function formatMs(ms: number): string;
export declare function timeAgo(dateStr: string): string;
export declare function formatFrequency(minutes: number | undefined | null): string;
export declare function formatCheckType(checkType: string): string;
export declare function formatDate(dateStr: string | null | undefined, format: OutputFormat): string;
export declare function resolveResultStatus(result: {
    hasErrors: boolean;
    hasFailures: boolean;
    isDegraded: boolean | null;
}, format: OutputFormat): string;
export declare function truncateError(msg: string, maxLen: number): string;
export interface DetailField<T> {
    label: string;
    value: (item: T, format: OutputFormat) => string | null;
}
export interface ColumnDef<T> {
    header: string;
    width?: number;
    align?: 'left' | 'right';
    value: (item: T, format: OutputFormat) => string;
}
export declare function renderDetailFields<T>(title: string, fields: DetailField<T>[], item: T, format: OutputFormat): string;
export declare function renderTable<T>(columns: ColumnDef<T>[], rows: T[], format: OutputFormat): string;