import type { ONIConfig, LoadConfigOptions } from "./types.js";
/**
 * Strip comments from JSONC text.
 * Handles:
 * - `//` line comments
 * - `/* ... * /` block comments
 * - Preserves comments inside quoted strings
 * - Handles escaped quotes within strings
 */
export declare function stripJsonComments(text: string): string;
/**
 * Parse a JSONC string (JSON with comments) into a value.
 * Strips comments first, then delegates to JSON.parse.
 */
export declare function parseJsonc(text: string): unknown;
/**
 * Deep merge two objects. Object keys are merged recursively.
 * Arrays and primitives are replaced (not merged).
 * undefined values in override are skipped (don't overwrite base).
 * null values in override DO replace base values.
 *
 * Does NOT mutate base or override — returns a new object.
 */
export declare function deepMerge<T extends Record<string, unknown>>(base: T, override: Partial<T>): T;
/**
 * Load and merge ONI configuration from hierarchical paths.
 *
 * Resolution order (last wins):
 * 1. `~/.oni/config.jsonc` — global defaults
 * 2. `<projectDir>/oni.jsonc` — project-level
 * 3. `<projectDir>/.oni/config.jsonc` — alternative project-level
 * 4. `inline` option — programmatic override (highest priority)
 *
 * Invalid files are silently skipped (logged but don't throw).
 */
export declare function loadConfig(options?: LoadConfigOptions): Promise<ONIConfig>;
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