/**
 * Minimal logging utility for three-cad-viewer.
 *
 * Provides leveled logging that can be controlled by library consumers.
 * Default level is "warn" (only warnings and errors shown).
 *
 * @example
 * // Library consumer can enable debug output:
 * import { logger } from "three-cad-viewer";
 * logger.setLevel("debug");
 *
 * @example
 * // Silence all logging:
 * logger.setLevel("silent");
 */
/** Available log levels in order of verbosity */
export type LogLevel = "debug" | "info" | "warn" | "error" | "silent";
/**
 * Logger instance for three-cad-viewer.
 *
 * Methods: debug, info, warn, error
 * Control: setLevel(), getLevel()
 */
export declare const logger: {
    /**
     * Set the minimum log level. Messages below this level are suppressed.
     * @param level - The minimum level to display
     */
    setLevel(level: LogLevel): void;
    /**
     * Get the current log level.
     * @returns The current minimum log level
     */
    getLevel(): LogLevel;
    /**
     * Log debug message (verbose, for development).
     * Only shown when level is "debug".
     */
    debug(...args: unknown[]): void;
    /**
     * Log info message (general information).
     * Shown when level is "debug" or "info".
     */
    info(...args: unknown[]): void;
    /**
     * Log warning message (potential issues).
     * Shown when level is "debug", "info", or "warn".
     */
    warn(...args: unknown[]): void;
    /**
     * Log error message (failures).
     * Shown unless level is "silent".
     */
    error(...args: unknown[]): void;
};