/**
 * Platform-aware logger that ensures consistent line endings
 * and prevents null characters in output
 */
export declare class Logger {
    private static instance;
    private readonly lineEnding;
    private constructor();
    static getInstance(): Logger;
    /**
     * Sanitizes a string for output:
     * - Removes null characters
     * - Normalizes line endings to platform-specific format
     * - Removes trailing newlines to prevent double spacing
     */
    private sanitize;
    /**
     * Logs a message to stdout with proper line endings
     */
    log(...args: unknown[]): void;
    /**
     * Logs an error message to stderr with proper line endings
     */
    error(...args: unknown[]): void;
    /**
     * Logs a message without adding a newline at the end
     */
    write(message: string): void;
    /**
     * Logs a warning message to stderr
     */
    warn(...args: unknown[]): void;
    /**
     * Logs a debug message (only in development/test environments)
     */
    debug(...args: unknown[]): void;
}
export declare const logger: Logger;
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