/** Whether to colorize `stream`: honors `NO_COLOR`/`FORCE_COLOR`, else falls back to TTY detection. */
export declare function supportsColor(stream?: {
    isTTY?: boolean;
}): boolean;
/** A simple leveled logger that writes formatted, optionally colored lines to stderr. */
export type Logger = {
    /** Log at ERROR level. */
    error: (...args: unknown[]) => void;
    /** Log at WARNING level. */
    warn: (...args: unknown[]) => void;
    /** Log at INFO level. */
    info: (...args: unknown[]) => void;
    /** Log at DEBUG level. */
    debug: (...args: unknown[]) => void;
};
/** Create a named {@link Logger} that writes formatted lines to stderr. */
export declare function getLogger(name: string): Logger;