/// <reference types="node" />
import { LogLevel, LogOptions, Loggable, LogFormatter } from '@shopify/loom';
export { LogLevel };
export type { LogOptions, Loggable, LogFormatter };
interface Options {
    stdin: NodeJS.ReadStream;
    stdout: NodeJS.WriteStream;
    stderr: NodeJS.WriteStream;
    level: LogLevel;
    isInteractive: boolean;
}
declare class FormattedStream {
    readonly stream: NodeJS.WriteStream;
    private readonly formatter;
    constructor(stream: NodeJS.WriteStream);
    stringify(value: Loggable): string;
    write(value: Loggable): string;
}
export declare class Ui {
    readonly stdout: FormattedStream;
    readonly stderr: FormattedStream;
    readonly level: LogLevel;
    readonly isInteractive: boolean;
    constructor({ stdout, stderr, level, isInteractive, }?: Partial<Options>);
    log: (value: Loggable, { level }?: LogOptions) => void;
    error: (value: Loggable, { level }?: LogOptions) => void;
    canLogLevel: (level: LogLevel) => boolean;
}
//# sourceMappingURL=ui.d.ts.map