import type { DatabaseSync } from 'node:sqlite';
export declare const SYMBOLS_TEXT_DROPPED_KEY = "symbols_text_dropped";
export declare const NEXT_SYMBOL_ID_KEY = "next_symbol_id";
export declare function seedLangFamilies(stmt: (sql: string) => ReturnType<DatabaseSync['prepare']>): void;
export declare function repairMissingColumns(db: DatabaseSync): void;
export declare function dropDeprecatedSymbolsColumns(db: DatabaseSync, getMetadata: (key: string) => string | undefined, setMetadata: (key: string, value: string) => void): void;
export declare function initIndexSchema(db: DatabaseSync, stmt: (sql: string) => ReturnType<DatabaseSync['prepare']>, getMetadata: (key: string) => string | undefined, setMetadata: (key: string, value: string) => void, maxSqlVars: number, invalidateBm25: () => void): {
    ftsAvailable: boolean;
    vectorsAvailable: boolean;
};
export declare function ensureNextSymbolIdSeeded(stmt: (sql: string) => ReturnType<DatabaseSync['prepare']>): void;
export declare function allocateSymbolIds(stmt: (sql: string) => ReturnType<DatabaseSync['prepare']>, count: number, getMaxSymbolId: () => number): number;
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