/**
 * Parses the SSH software name and version from the version string exchanged via the
 * initial packets sent between client and server.
 */
export declare class SshVersionInfo {
    /**
     * Attempts to parse an SSH version string into a version info object.
     */
    static tryParse(versionString: string): SshVersionInfo | null;
    /**
     * Gets the version info for the current SSH library.
     */
    static getLocalVersion(): SshVersionInfo;
    private constructor();
    private readonly versionString;
    /** Gets the SSH protocol version, currently always "2.0". */
    readonly protocolVersion: string;
    /** Gets the name of the SSH application or library. */
    readonly name: string;
    /** Gets the version of the SSH application or library. */
    readonly version: string | null;
    /** Returns the original SSH version string that was parsed. */
    toString(): string;
    /**
     * Gets a value indicating whether this version info represents some version of
     * this library.
     */
    get isVsSsh(): boolean;
    private get isVsSshCS();
    private get isVsSshTS();
}
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