/**
 * Copyright 2025 The Artinet Project
 * SPDX-License-Identifier: Apache-2.0
 */
/**
 * Type-safe object key transformation utilities using built-in TypeScript utility types
 */
/**
 * Forces TypeScript to evaluate and flatten intersection types into a single object type
 * This makes IDE tooltips and type displays much cleaner
 */
type Simplify<T> = {
    [K in keyof T]: T[K];
} & {};
/**
 * Configuration for renaming keys - maps old key names to new key names
 * For best results, use `as const` to preserve literal string types
 */
export type RenameConfig<T extends object> = {
    readonly [K in keyof T]?: string;
};
/**
 * Transform object type by renaming specified keys using built-in utility types
 * This combines Pick/Omit patterns with Record to achieve key renaming
 * Uses Simplify to flatten the final type for cleaner IDE display
 */
export type TransformKeys<T extends object, Config extends RenameConfig<T>> = Simplify<Omit<T, keyof Config> & {
    [OriginalKey in keyof Config & keyof T as Config[OriginalKey] extends string ? Config[OriginalKey] : OriginalKey]: T[OriginalKey];
}>;
/**
 * Runtime function to transform object keys based on configuration
 * Uses the TransformKeys utility type for return type inference
 */
export declare function transformKeys<T extends object, Config extends RenameConfig<T>>(obj: T, config: Config): TransformKeys<T, Config>;
/**
 * Helper type to extract the transformed type for a given object and config
 * Useful for declaring variables with the expected transformed type
 * Uses Simplify to show clean, flattened types in IDE
 */
export type Transformed<T extends object, Config extends RenameConfig<T>> = Simplify<TransformKeys<T, Config>>;
/**
 * Utility to create a type-safe rename configuration with better intellisense
 * The returned function preserves literal string types
 */
export declare function createRenameConfig<T extends object>(): <Config extends RenameConfig<T>>(config: Config) => Config;
/**
 * Common transformation patterns using built-in utility types
 */
export declare namespace TransformPatterns {
    /**
     * Convert snake_case keys to camelCase
     * This is a type-level template but would need runtime implementation
     */
    type SnakeToCamel<T extends string> = T extends `${infer First}_${infer Rest}` ? `${First}${Capitalize<SnakeToCamel<Rest>>}` : T;
    /**
     * Pick specific keys and optionally rename them
     */
    type PickAndRename<T extends object, Keys extends keyof T, Config extends Partial<Record<Keys, string>>> = Simplify<TransformKeys<Pick<T, Keys>, Config>>;
    /**
     * Omit specific keys and optionally rename remaining ones
     */
    type OmitAndRename<T extends object, OmitKeys extends keyof T, Config extends RenameConfig<Omit<T, OmitKeys>>> = Simplify<TransformKeys<Omit<T, OmitKeys>, Config>>;
}
export {};