import type { ImageGenSettings } from './types.js';
export declare const SETTINGS_KEY = "pi-image-gen";
export declare const TRUSTED_CWD_ENV = "PI_IMAGE_GEN_TRUSTED_CWD";
export type SettingsScope = 'global' | 'project';
export declare function imageGenSettingsPath(cwd: string, scope: SettingsScope): string;
export declare function mergeImageGenSettings(base: ImageGenSettings, next: ImageGenSettings): ImageGenSettings;
/** Runtime reads are fail-soft; project settings participate only after Pi trust. */
export declare function loadImageGenSettings(cwd: string, projectTrusted?: boolean): ImageGenSettings;
/** Strict layer read for an interactive write flow. */
export declare function readImageGenSettingsLayer(cwd: string, scope: SettingsScope): ImageGenSettings;
/**
 * Atomically mutate one settings layer while preserving unrelated settings.
 * The latest file is re-read at commit time so unrelated concurrent changes survive.
 */
export declare function updateImageGenSettings(cwd: string, scope: SettingsScope, mutate: (current: ImageGenSettings) => ImageGenSettings): string;
/** Pass Pi's authoritative session trust decision to package CLI child processes. */
export declare function exposeProjectTrustToCli(cwd: string, trusted: boolean): void;
export declare function isCliProjectTrusted(cwd: string): boolean;
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