/**
 * Logging and preferences configuration types and defaults.
 *
 * Covers:
 * - LoggingConfig: CCS-owned structured runtime logging
 * - LoggingLevel: log severity levels
 * - PreferencesConfig: user preferences (theme, telemetry, auto-update)
 */
export type LoggingLevel = 'error' | 'warn' | 'info' | 'debug';
/**
 * CCS-owned structured logging configuration.
 * Separate from cliproxy.logging, which controls CLIProxy runtime files.
 */
export interface LoggingConfig {
    /** Enable CCS-owned structured runtime logging */
    enabled: boolean;
    /** Minimum level written to disk */
    level: LoggingLevel;
    /** Rotate current log when it reaches this size in MB */
    rotate_mb: number;
    /** Keep archived segments for this many days */
    retain_days: number;
    /** Redact sensitive values before persistence */
    redact: boolean;
    /** In-memory recent event buffer size for dashboard reads */
    live_buffer_size: number;
}
/**
 * Default logging configuration.
 */
export declare const DEFAULT_LOGGING_CONFIG: LoggingConfig;
/**
 * User preferences.
 */
export interface PreferencesConfig {
    /** UI theme preference */
    theme?: 'light' | 'dark' | 'system';
    /** Enable anonymous telemetry */
    telemetry?: boolean;
    /** Enable automatic update checks */
    auto_update?: boolean;
}
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