import { PrismaClientType, RawSqlClientOptions } from './types';
import { QueryBuildOptions } from 'rawsql-ts';
/**
 * Custom error classes for rawsql-ts operations
 *
 * These error classes provide detailed context and helpful suggestions
 * for common issues like missing files, invalid JSON, and SQL execution failures.
 * Each error includes structured information for programmatic handling.
 */
/**
 * Error thrown when SQL file is not found or cannot be read
 */
export declare class SqlFileNotFoundError extends Error {
    readonly filename: string;
    readonly searchedPath: string;
    readonly suggestedPath?: string;
    constructor(filename: string, searchedPath: string, suggestedPath?: string);
}
/**
 * Error thrown when JSON mapping file has issues
 */
export declare class JsonMappingError extends Error {
    readonly filename: string;
    readonly filePath: string;
    readonly issue: string;
    constructor(filename: string, filePath: string, issue: string, originalError?: Error);
}
/**
 * Error thrown when JSON mapping is required but not found
 */
export declare class JsonMappingRequiredError extends Error {
    readonly sqlFilePath: string;
    readonly expectedMappingPath: string;
    readonly methodName: string;
    constructor(sqlFilePath: string, expectedMappingPath: string, methodName: string);
}
/**
 * Error thrown when SQL query execution fails
 */
export declare class SqlExecutionError extends Error {
    readonly sql: string;
    readonly parameters: any[];
    readonly databaseError: string;
    constructor(sql: string, parameters: any[], databaseError: string, originalError?: Error);
}
/**
 * Main class for Prisma integration with rawsql-ts
 *
 * Extends Prisma with advanced SQL capabilities including:
 * - SQL file-based query execution
 * - Dynamic filtering, sorting, and pagination
 * - Schema-aware JSON serialization
 * - Type-safe parameter injection
 */
export declare class RawSqlClient {
    private readonly prisma;
    private readonly options;
    private readonly schemaResolver;
    private schemaInfo?;
    private tableColumnResolver?;
    private isInitialized;
    private schemaPreloaded;
    private readonly jsonMappingCache;
    private readonly sqlFileCache;
    /**
     * Common helper method to check file cache and handle timestamp validation
     * Returns cached content if valid, undefined if cache miss or invalidated
     */
    private checkFileCache;
    /**
     * Common helper method to store content in file cache with timestamp
     */
    private setCacheEntry;
    /**
     * Evict oldest entries from cache when it exceeds the configured maximum size
     * Uses LRU (Least Recently Used) strategy by checking timestamps
     */
    private evictCacheIfNeeded;
    constructor(prisma: PrismaClientType, options?: RawSqlClientOptions);
    /**
     * Initialize the Prisma schema information and resolvers
     * This is called automatically when needed (lazy initialization)
     * Uses function-based lazy evaluation for optimal performance
     */
    private initialize;
    /**
     * Create a lazy table column resolver that loads schema information only when needed
     * This avoids the expensive upfront schema resolution cost
     */
    private createLazyTableColumnResolver;
    /**
     * Ensure the RawSqlClient is initialized before use
     * Automatically calls initialize() if not already done
     * Auto-loads schema on first query if not preloaded
     */
    private ensureInitialized;
    /**
     * Explicitly initialize schema information for production use
     * Call this method during application startup to avoid lazy loading delays
     */
    initializeSchema(): Promise<void>;
    /**
     * Execute SQL from file with dynamic conditions - INTERNAL USE ONLY
     *
     * This method was made private to simplify the API and reduce confusion.
     * Use queryOne() or queryMany() instead for clearer intent and better type safety.
     *
     * Reasons for making this private:
     * 1. Too many options led to confusing behavior (serialize: true/false/undefined)
     * 2. Return type was unpredictable (T[] | T | null depending on options)
     * 3. JSON mapping behavior was inconsistent (auto-detect vs explicit)
     * 4. queryOne/queryMany provide clearer intent and safer defaults
     *
     * @param sqlFilePathOrQuery - Path to SQL file or pre-built SelectQuery
     * @param options - Query execution options (filter, sort, paging, serialize)
     * @returns Query result
     * @internal
     */
    private query;
    /**
     * Load SQL content from file
     *
     * @param sqlFilePath - Path to SQL file (relative to sqlFilesPath or absolute)
     * @returns SQL content as string
     * @throws Error if file not found or cannot be read
     */
    private loadSqlFile;
    /**
     * Load JsonMapping from a .json file
     *
     * @param jsonFilePath - Path to JSON file (relative to sqlFilesPath or absolute)
     * @returns JsonMapping object
     * @throws Error if file not found or invalid JSON
     */
    private loadJsonMapping;
    /**
     * Execute SQL with parameters using Prisma
     *
     * @param sql - The SQL query string     * @param params - Query parameters
     * @returns Query result
     */
    private executeSqlWithParams;
    /**
     * Execute SQL from file with JSON serialization, returning a single object
     * Automatically loads corresponding .json mapping file
     * Throws error if SQL or JSON mapping file is not found or invalid
     *
     * @param sqlFilePath - Path to SQL file (relative to sqlFilesPath or absolute)
     * @param options - Query execution options (filter, sort, paging, allowAllUndefined)
     * @returns Single serialized object or null
     * @throws SqlFileNotFoundError when SQL file is not found
     * @throws JsonMappingError when JSON mapping file is not found or invalid
     */
    queryOne<T>(sqlFilePath: string, options?: Omit<QueryBuildOptions, 'serialize'> & {
        allowAllUndefined?: boolean;
    }): Promise<T | null>;
    /**
     * Execute SQL from file with JSON serialization, returning an array
     * Automatically loads corresponding .json mapping file
     * Throws error if SQL or JSON mapping file is not found or invalid
     *
     * @param sqlFilePath - Path to SQL file (relative to sqlFilesPath or absolute)
     * @param options - Query execution options (filter, sort, paging, allowAllUndefined)
     * @returns Array of serialized objects
     * @throws SqlFileNotFoundError when SQL file is not found
     * @throws JsonMappingError when JSON mapping file is not found or invalid
     */
    queryMany<T = any>(sqlFilePath: string, options?: Omit<QueryBuildOptions, 'serialize'> & {
        allowAllUndefined?: boolean;
    }): Promise<T[]>;
    /**
     * Extract type transformation configuration from JsonMapping and type protection file
     * @param jsonMapping - The JsonMapping containing column information
     * @param sqlFilePath - The SQL file path to find corresponding type protection file
     * @returns TypeTransformationConfig for protecting user input strings
     */
    private extractTypeTransformationConfig;
    /**
     * Load unified JSON mapping configuration that includes both mapping and type protection
     * Uses caching to avoid reading the same file multiple times
     * @param jsonMappingFilePath - Path to unified JSON mapping file
     * @returns Unified JSON mapping configuration
     */ private loadUnifiedMapping;
    /**
     * Get SqlFormatter preset from database provider
     *
     * @param provider - Database provider string from Prisma
     * @returns SqlFormatter preset name
     */
    private getPresetFromProvider;
}