import type { ProviderAuth } from './provider-config.js';
export type ProviderProfilesScope = 'global' | 'project';
export interface ProvidersFile {
    version: number;
    defaults?: {
        provider?: string;
        model?: string;
    };
    profiles: Record<string, ProviderProfileEntry>;
}
export interface ProviderProfileEntry {
    provider?: string;
    model?: string;
    transport?: string;
    auth?: Partial<ProviderAuth>;
    params?: Record<string, unknown>;
}
export interface ProviderProfilesFileOptions {
    scope?: ProviderProfilesScope;
    cwd?: string;
}
export declare function resolveProvidersFilePath(options?: ProviderProfilesFileOptions): string;
export declare function loadProvidersFile(options?: ProviderProfilesFileOptions): ProvidersFile | null;
export declare function writeProvidersFile(file: ProvidersFile, options?: ProviderProfilesFileOptions): {
    filePath: string;
    file: ProvidersFile;
};
export declare function upsertProviderProfile(profileName: string, profile: ProviderProfileEntry, options?: ProviderProfilesFileOptions): {
    filePath: string;
    file: ProvidersFile;
    profile: ProviderProfileEntry;
};
export declare function updateProviderDefaults(defaults: ProvidersFile['defaults'], options?: ProviderProfilesFileOptions): {
    filePath: string;
    file: ProvidersFile;
    defaults?: ProvidersFile['defaults'];
};
/**
 * Load a named profile from ~/.amux/providers.json and .amux/providers.json.
 * Project-level file takes precedence over global.
 */
export declare function loadProfile(profileName: string): ProviderProfileEntry | null;
/**
 * Load default provider settings from providers.json files.
 * Project-level defaults override global defaults.
 */
export declare function loadProviderDefaults(): ProviderProfileEntry | null;