/**
 * Browser-safe identifiers for panel create forms (nginx, FTP, projects, SQL, IP).
 * Reject values that would flow into Linux users, nginx conf, or SQL identifiers.
 */
export declare function isProjectName(raw: string): boolean;
export declare function isFtpUsername(raw: string): boolean;
export declare function isSqlIdent(raw: string): boolean;
export declare function isIpv4(raw: string): boolean;
export declare function isIpv6(raw: string): boolean;
export declare function isIpAddress(raw: string): boolean;
export declare function isCidr(raw: string): boolean;
/** One nginx server_name token (hostname, wildcard, IP, `_`, localhost). */
export declare function isNginxServerNameToken(raw: string): boolean;
/** Mailbox / alias local-part (info, sales+list). */
export declare function isMailboxLocalPart(raw: string): boolean;
/** Apex or mail host used as an email domain (not IP, not wildcard). */
export declare function isMailDomain(raw: string): boolean;
export declare function isNginxServerNameList(raw: string): boolean;
/**
 * DB cluster member host: real IPv4/IPv6 or a hostname token.
 * Dotted-quads must be valid IPv4 (so 999.999.999.999 is not treated as a name).
 * Rejects documentation placeholders used in the wizard examples.
 */
export declare function isClusterMemberHost(raw: string): boolean;
export declare function parseDockerArgvLine(raw: string): string[] | null;
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