/**
 * Settings reader — discover and read Claude settings files in precedence order.
 *
 * Precedence (highest → lowest):
 * 1. managed (system-wide, IT admin)
 * 2. project-local (<projectDir>/.claude/settings.local.json)
 * 3. project (<projectDir>/.claude/settings.json)
 * 4. user (~/.claude/settings.json)
 */
import type { EffectiveSettings, SettingsLayer } from './settings-merger.js';
export interface ReadSettingsOptions {
    /** For discovering .claude/settings.json */
    projectDir?: string | undefined;
    /** Explicit override — use this file instead of the system managed-settings path */
    settingsFile?: string | undefined;
}
/**
 * Read all available settings layers in precedence order (highest first).
 * Skips files that don't exist or aren't readable.
 * Throws for malformed JSON/YAML in files that DO exist.
 */
export declare function readSettingsLayers(options?: ReadSettingsOptions): Promise<SettingsLayer[]>;
/**
 * Convenience: read all layers and merge into EffectiveSettings.
 */
export declare function readEffectiveSettings(options?: ReadSettingsOptions): Promise<EffectiveSettings>;
export { type EffectiveSettings, type SettingsLayer } from './settings-merger.js';
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