import type { LogLevelName } from "./types.js";
export declare const LEVEL_VALUES: Record<LogLevelName, number>;
export declare function normalizeLevel(level: LogLevelName | undefined): LogLevelName;
export declare function levelValue(level: LogLevelName): number;
export declare function isLevelEnabled(currentLevelValue: number, candidate: LogLevelName): boolean;
export declare function assertLogLevel(level: unknown): asserts level is LogLevelName;