import type { TableSchema, ReducerSchema, TypeMetadata } from '../types';
import type { ManagedConnection } from '../client/connection';
/**
 * Extract schema information from a connected SpacetimeDB database
 */
export declare class SchemaIntrospector {
    private readonly connection;
    constructor(connection: ManagedConnection);
    /**
     * Discover all tables in the database
     */
    discoverTables(): Promise<TableSchema[]>;
    /**
     * Get schema for a specific table
     */
    getTableSchema(tableName: string): Promise<TableSchema | null>;
    /**
     * Discover all reducers in the database
     */
    discoverReducers(): Promise<ReducerSchema[]>;
    /**
     * Get schema for a specific reducer
     */
    getReducerSchema(reducerName: string): Promise<ReducerSchema | null>;
    /**
     * Parse SpacetimeDB type string into TypeMetadata
     *
     * Example type strings:
     * - "u32"
     * - "Option<string>"
     * - "Vec<Identity>"
     * - "MyStruct { field1: u64, field2: string }"
     */
    parseTypeString(typeStr: string): TypeMetadata;
    /**
     * Get complete schema metadata (tables + reducers)
     */
    getFullSchema(): Promise<{
        tables: TableSchema[];
        reducers: ReducerSchema[];
    }>;
}
/**
 * Helper to extract table names from schema
 */
export declare function getTableNames(tables: TableSchema[]): string[];
/**
 * Helper to find table by name
 */
export declare function findTable(tables: TableSchema[], name: string): TableSchema | undefined;
/**
 * Helper to get primary key column name
 */
export declare function getPrimaryKeyColumn(table: TableSchema): string | null;
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