/**
 * Client-side persistence for the SQL editor surface of the dev-mode database
 * admin. Everything lives in `localStorage` under the `agentnative.dbadmin.sql.*`
 * namespace and is SSR-safe (no-ops when `window` is unavailable).
 *
 * Two stores live here:
 *  - Query HISTORY: a capped, de-duplicated list of executed SQL strings, most
 *    recent first. Useful for re-loading a previous query into the editor.
 *  - Saved SNIPPETS: named, reusable queries the user explicitly saved.
 */
export declare function loadHistory(): string[];
/**
 * Prepend an executed query to the history. Trims whitespace, skips empties,
 * de-dupes against the most-recent entry, and caps the list length. Returns the
 * updated list so callers can update their in-memory copy without re-reading.
 */
export declare function pushHistory(sql: string): string[];
export declare function clearHistory(): void;
export interface SqlSnippet {
    id: string;
    name: string;
    sql: string;
}
export declare function loadSnippets(): SqlSnippet[];
/**
 * Create or update a snippet. Pass an `id` to update an existing one; omit it to
 * create a new snippet. Returns the updated list.
 */
export declare function saveSnippet(input: {
    id?: string;
    name: string;
    sql: string;
}): SqlSnippet[];
export declare function deleteSnippet(id: string): SqlSnippet[];
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