/** Normalize a Claude config dir path; empty/whitespace becomes undefined. */
export declare function normalizedConfigDir(value: string | undefined): string | undefined;
/**
 * Keychain service name Claude Code uses for OAuth credentials.
 * Non-default config dirs get a path-derived suffix (same scheme as Claude Code).
 */
export declare function claudeKeychainService(configDir: string | undefined): string;
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