export interface ObsidianDetection {
    installed: boolean;
    binaryPath?: string;
}
/** Detect whether Obsidian is installed on this system. */
export declare function detectObsidian(platform?: string): ObsidianDetection;
/** Platform-specific path to Obsidian's vault registry (obsidian.json). */
export declare function getRegistryPath(platform?: string): string | null;
/** Check if a vault path is already registered in Obsidian's vault list. */
export declare function isVaultRegistered(vaultPath: string, platform?: string): boolean;
/** Register a vault in Obsidian's obsidian.json so URI scheme works. */
export declare function registerVault(vaultPath: string, platform?: string): boolean;
/** Launch Obsidian: URI scheme (vault=) if registered, binary spawn otherwise. Returns error or null. */
export declare function launchObsidian(detection: ObsidianDetection, vaultPath: string, filePath?: string, platform?: string): string | null;
export declare function formatNotInstalledMessage(vaultPath: string): string;
export declare function formatSuccessMessage(vaultPath: string, project?: string): string;
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