/**
 * Strip the `userinfo` (`user:password@`) component from any URL we
 * surface in logs or telemetry. Camera credentials live inside RTSP /
 * RTMP / HTTP URLs by convention; emitting them verbatim leaks
 * plaintext secrets into log files, support transcripts, and shared
 * diagnostics. Returns the original string when the input is not a
 * parseable URL — a log helper must never throw.
 */
export declare function maskUrlCredentials(rawUrl: string): string;
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