/**
 * Meridian setup — OpenCode plugin configuration.
 *
 * Manages the meridian plugin entry in ~/.config/opencode/opencode.json
 * (or the platform-equivalent path). Called by:
 *   - `meridian setup`  — writes the plugin entry
 *   - `meridian` startup — warns if plugin is missing
 *   - `GET /health`     — reports plugin status
 */
/**
 * Resolve the OpenCode global config file path.
 * Respects OPENCODE_CONFIG_DIR and XDG_CONFIG_HOME env vars.
 */
export declare function findOpencodeConfigPath(): string;
/**
 * Resolve the absolute path to plugin/meridian.ts from any entry point.
 * Works whether called from bin/cli.ts (dev) or dist/cli.js (installed).
 */
export declare function findPluginPath(fromUrl: string): string;
/**
 * Returns true if the meridian plugin is already configured in the
 * OpenCode global config. Returns false if config doesn't exist or
 * plugin is missing.
 */
export declare function checkPluginConfigured(configPath?: string): boolean;
export interface SetupResult {
    configPath: string;
    pluginPath: string;
    alreadyConfigured: boolean;
    removedStale: string[];
    created: boolean;
}
/**
 * Configure the meridian plugin in ~/.config/opencode/opencode.json.
 *
 * - Creates the config file if it doesn't exist
 * - Removes stale meridian plugin entries from previous installs
 * - Adds the current plugin path
 * - Leaves all other plugins untouched
 */
export declare function runSetup(pluginPath: string, configPath?: string): SetupResult;
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