/**
 * `forge config` — local configuration management.
 *
 * Subcommands:
 *   forge config show              — display all current config values
 *   forge config set <key> <value> — set a config value and persist to disk
 *   forge config path              — print the config file path
 *
 * Config file: ~/.forgeos/config.json
 * Supported keys: engine_url, api_key, local_only, telemetry
 *
 * Environment overrides (always take precedence over config file):
 *   FORGEOS_ENGINE_URL  → engine_url
 *   FORGEOS_API_KEY     → api_key
 *   FORGE_LOCAL_ONLY  → local_only
 *   FORGE_TELEMETRY   → telemetry.enabled
 */
import { Command } from "commander";
export interface TelemetryConfig {
    enabled: boolean;
    share_usage_stats: boolean;
    share_error_reports: boolean;
    retention_days: number;
}
export interface ForgeFullConfig {
    engine_url?: string;
    api_key?: string;
    local_only?: boolean;
    telemetry?: Partial<TelemetryConfig>;
}
export declare function getConfigPath(): string;
export declare function loadFullConfig(): ForgeFullConfig;
export declare function saveFullConfig(config: ForgeFullConfig): void;
export declare function registerConfigCommands(parent: Command): void;
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