import fs from 'node:fs';
import path from 'node:path';
import type { InitProviderTemplate } from '../../config/init-provider-catalog.js';
import type { ConfigState, LoggerLike, ProviderV2Payload, RoutingConfig, UnknownRecord } from './shared.js';
export declare function isRecord(value: unknown): value is UnknownRecord;
export declare function asRecord(value: unknown): UnknownRecord;
export declare function normalizeHost(input: string | undefined): string | undefined;
export declare function normalizePort(input: string | number | undefined): number | undefined;
export declare function getProviderRoot(pathImpl: typeof path, homeDir: string): string;
export declare function getProviderV2Path(pathImpl: typeof path, providerRoot: string, providerId: string): string;
export declare function inferDefaultModel(providerNode: UnknownRecord): string;
export declare function buildRouting(defaultTarget: string, overrides?: Partial<Record<'default' | 'thinking' | 'tools', string>>): RoutingConfig;
export declare function readPrimaryTargetFromRoute(routeNode: unknown): string | null;
export declare function readRoutingFromConfig(config: UnknownRecord): RoutingConfig;
export declare function readProvidersFromV1(config: UnknownRecord): Record<string, UnknownRecord>;
export declare function inspectConfigState(fsImpl: typeof fs, configPath: string): ConfigState;
export declare function ensureDir(fsImpl: typeof fs, dirPath: string): void;
export declare function mergeRecordsPreferExisting(baseFromV1: UnknownRecord, existing: UnknownRecord): UnknownRecord;
export declare function readProviderV2Payload(fsImpl: typeof fs, filePath: string): ProviderV2Payload | null;
export declare function backupFileBestEffort(fsImpl: typeof fs, filePath: string): string | null;
export declare function computeBackupPath(fsImpl: typeof fs, filePath: string): string;
export declare function writeJsonFile(fsImpl: typeof fs, filePath: string, payload: unknown): void;
export declare function writeProviderV2(fsImpl: typeof fs, pathImpl: typeof path, providerRoot: string, providerId: string, providerNode: UnknownRecord): string;
export declare function loadProviderV2Map(fsImpl: typeof fs, pathImpl: typeof path, providerRoot: string): Record<string, ProviderV2Payload>;
export declare function maskSecretTail3(raw: string): string;
export declare function collectProviderKeyMasks(providerNode: UnknownRecord): string[];
export declare function collectOauthTokenNames(providerNode: UnknownRecord): string[];
export declare function getProviderSummaryLine(providerId: string, payload: ProviderV2Payload): string;
export declare function printConfiguredProviders(logger: LoggerLike, providerMap: Record<string, ProviderV2Payload>): void;
export declare function normalizeEnvVarName(providerId: string): string;
export declare function isBackInput(value: string): boolean;
export declare function resolveSelectedTemplates(providerIds: string[], catalogById: Map<string, InitProviderTemplate>, options?: {
    allowExternal?: boolean;
    defaultModel?: string;
}): InitProviderTemplate[];
export declare function ensureTargetProvidersExist(routing: RoutingConfig, providerIds: Set<string>): string[];
export declare function buildV2ConfigFromExisting(existing: UnknownRecord, routing: RoutingConfig, host: string, port: number): UnknownRecord;