/**
 * Centralized error types for the Obsidian MCP server.
 * Every error carries a machine-readable `code` so tool handlers
 * can return structured, actionable error messages to the LLM.
 */
export declare enum ErrorCode {
    VAULT_NOT_FOUND = "VAULT_NOT_FOUND",
    NOTE_NOT_FOUND = "NOTE_NOT_FOUND",
    NOTE_ALREADY_EXISTS = "NOTE_ALREADY_EXISTS",
    PATH_TRAVERSAL = "PATH_TRAVERSAL",
    INVALID_PATH = "INVALID_PATH",
    INVALID_FRONTMATTER = "INVALID_FRONTMATTER",
    WRITE_FAILED = "WRITE_FAILED",
    DELETE_FAILED = "DELETE_FAILED",
    SEARCH_TIMEOUT = "SEARCH_TIMEOUT",
    SEARCH_FAILED = "SEARCH_FAILED",
    CONFIG_INVALID = "CONFIG_INVALID",
    PERMISSION_DENIED = "PERMISSION_DENIED",
    FILE_TOO_LARGE = "FILE_TOO_LARGE",
    GIT_NOT_INITIALIZED = "GIT_NOT_INITIALIZED",
    GIT_COMMAND_FAILED = "GIT_COMMAND_FAILED",
    GIT_CONFLICT = "GIT_CONFLICT",
    GIT_PUSH_FAILED = "GIT_PUSH_FAILED",
    GIT_TIMEOUT = "GIT_TIMEOUT",
    GIT_NOT_INSTALLED = "GIT_NOT_INSTALLED"
}
export declare class VaultError extends Error {
    readonly code: ErrorCode;
    readonly details?: Record<string, unknown>;
    constructor(code: ErrorCode, message: string, details?: Record<string, unknown>);
    /** Format for MCP tool error responses */
    toToolResponse(): {
        type: "text";
        text: string;
    }[];
}
/**
 * Wrap an async tool handler so unhandled errors become structured responses
 * instead of crashing the server.
 */
export declare function safeToolHandler<T>(fn: (input: T) => Promise<{
    content: {
        type: "text";
        text: string;
    }[];
    isError?: boolean;
}>): (input: T) => Promise<{
    content: {
        type: "text";
        text: string;
    }[];
    isError?: boolean;
}>;
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