/**
 * Unified Configuration Manager
 * Consolidates config.js, model-config.js, and interactive-config.js logic
 * Enhanced with YAML changelog configuration support
 * Now supports automatic credential detection from various sources
 *
 * Responsibilities:
 * - Environment configuration loading
 * - Model configuration management
 * - Provider configuration
 * - Changelog configuration (YAML)
 * - Automatic credential detection (Gemini CLI, Claude Code, GitHub Copilot)
 * - OAuth token management
 * - Validation and recommendations
 */
export declare class ConfigurationManager {
    [key: string]: any;
    constructor(configPath?: any, changelogConfigPath?: any, options?: Record<string, any>);
    findConfigFile(): string;
    /**
     * Locate the `.ai-changelog.json` settings file. Searches the current working
     * directory first, then walks up parent directories so the file is
     * discoverable from anywhere inside a project. The walk is bounded to the
     * project: it stops after inspecting the first directory that looks like a
     * project/repository root (contains `.git` or `package.json`) so discovery
     * never escapes into unrelated parent directories such as the user's home.
     * @returns {string|null} Absolute path to the file, or null when not found.
     */
    findJsonConfigFile(): string | null;
    /**
     * Load and parse the `.ai-changelog.json` settings file.
     * @returns {Record<string, any>} Parsed JSON object, or an empty object when
     *   the file is absent or cannot be parsed.
     */
    loadJsonConfig(): Record<string, any>;
    findChangelogConfigFile(): string | null;
    loadDefaultConfig(): Record<string, any>;
    /**
     * Read the `.env.local` (or alternate env) file into a flat key/value map.
     * This file sits at the same precedence tier as `.ai-changelog.json` — below
     * `process.env` and above the YAML config — so it must NOT override real
     * environment variables.
     * @returns {Record<string, any>} Parsed env-file variables (empty if absent).
     */
    loadEnvFileOverlay(): Record<string, any>;
    /**
     * Compose the runtime configuration following the documented precedence:
     *   CLI/explicit options > process.env > .ai-changelog.json > .env.local
     *     > ai-changelog.config.yaml > literal defaults.
     *
     * Note: explicit/CLI options are applied by the caller (constructor) on top of
     * this result so their explicit `undefined` values can clear lower layers.
     * @returns {Record<string, any>} The fully composed runtime config.
     */
    composeRuntimeConfig(): Record<string, any>;
    loadConfig(): Record<string, any>;
    /**
     * Initialize credential detection (async operation)
     * Call this after construction for automatic credential detection
     * @returns {Promise<void>}
     */
    initializeCredentialDetection(): Promise<any>;
    _initializeCredentialDetection(): Promise<void>;
    /**
     * Lazily construct the single UnifiedCredentialManager instance. It is the source of
     * truth for credential storage operations (keychain, encrypted config, env) and is also
     * consumed by the VS Code extension adapter.
     * @returns {UnifiedCredentialManager}
     */
    getCredentialManager(): any;
    /**
     * Resolve credentials held in the unified storage backends (keychain + encrypted config)
     * and inject any that are not already populated from env/.env. Applies the documented
     * priority cascade (user preference > primary storage > discovered; OAuth > API key;
     * newer > older) via UnifiedCredentialManager. Env-configured providers are skipped so
     * process.env keeps its precedence.
     * @returns {Promise<void>}
     */
    resolveStoredCredentials(): Promise<void>;
    /**
     * Merge detected credentials into configuration
     * Does not overwrite existing config values
     */
    mergeDetectedCredentials(): void;
    /**
     * Log summary of detected credentials
     */
    logDetectedCredentials(): void;
    /**
     * Get human-readable source name
     * @param {string} source
     * @returns {string}
     */
    getSourceDisplayName(source: any): any;
    /**
     * Get credential source information for a provider
     * @param {string} provider
     * @returns {Object|null}
     */
    getCredentialSource(provider: any): any;
    /**
     * Check if a credential is from auto-detection
     * @param {string} provider
     * @returns {boolean}
     */
    isAutoDetectedCredential(provider: any): boolean;
    /**
     * Get all detected credentials
     * @returns {Array}
     */
    getDetectedCredentials(): any;
    /**
     * Refresh detected credentials
     * @returns {Promise<void>}
     */
    refreshCredentials(): Promise<void>;
    loadChangelogConfig(): any;
    deepMergeConfig(defaults: any, override: any): any;
    parseEnvFile(content: any): Record<string, any>;
    validate(): boolean;
    hasOpenAI(): boolean;
    hasAnthropic(): boolean;
    hasGoogle(): boolean;
    hasHuggingFace(): boolean;
    hasOllama(): boolean;
    hasAzureOpenAI(): boolean;
    hasVertexAI(): boolean;
    hasLMStudio(): boolean;
    hasGitHubCopilot(): boolean;
    hasBedrock(): boolean;
    /**
     * Resolve whether a real AI provider credential is available.
     * Returns true only when at least one provider's credentials resolve, so
     * callers can gate AI features without instantiating providers.
     * @returns {boolean}
     */
    isAIAvailable(): boolean;
    /**
     * Build the optimal model configuration for the active provider.
     *
     * This is the single source of model selection for the AI layer (matching
     * the ConfigManager contract in types/index.d.ts). Returns the full tier map
     * so callers can pick a model for any analysis mode, honoring any explicit
     * `AI_MODEL` override from the runtime config.
     * @returns {{provider: string, models: Record<string, string>, features: Record<string, any>} | null}
     */
    getOptimalModelConfig(): {
        provider: any;
        models: Record<string, string>;
        features: Record<string, any>;
    } | null;
    /**
     * Recommend a model based on commit complexity. Single source consumed by the
     * AI layer (matching the ConfigManager contract in types/index.d.ts).
     * @param {{files?: number, lines?: number, breaking?: boolean, complex?: boolean}} [commitInfo]
     * @returns {{model: string, reason: string, features: string[]} | null}
     */
    getModelRecommendation(commitInfo?: Record<string, any>): {
        model: string;
        reason: string;
        features: string[];
    } | null;
    getActiveProvider(): any;
    get(key: any): any;
    getAll(): any;
    set(key: any, value: any): void;
    getProviderConfig(providerName: any): any;
    getRequiredEnvVars(provider: any): any;
    validateProvider(providerName: any): {
        valid: boolean;
        missing: any;
        configured: any;
    };
    updateConfig(updates: any): Promise<void>;
    saveConfig(): Promise<void>;
    getValidationResult(): any;
    isValid(): boolean;
    logConfiguration(): void;
    getChangelogConfig(): any;
    getConventionConfig(): any;
    getCommitTypes(): any;
    getChangelogCommitTypes(): any;
    getHeadlines(): any;
    getCommitUrl(): any;
    getCommitRangeUrl(): any;
    getIssueUrl(): any;
    getIssueRegexPattern(): RegExp;
    shouldIncludeInvalidCommits(): any;
    getCommitIgnoreRegex(): RegExp;
    getDefaultAnalysisMode(): any;
    getDefaultOutputFormat(): any;
    getIncludeAttribution(): boolean;
    getRateLimitDelay(): number;
    getMaxRetries(): number;
    /**
     * Get the complete configuration object
     * @returns {Object} Configuration object
     */
    getConfig(): any;
    /**
     * Resolve the path used to read/write the `.ai-changelog.json` settings file.
     * Falls back to the current working directory when no file has been
     * discovered yet (so writes create the file in the repo/cwd root).
     * @returns {string}
     */
    resolveJsonConfigPath(): string;
    /**
     * Persist the `.ai-changelog.json` settings file with pretty-printed JSON,
     * merging the provided patch onto any existing on-disk settings.
     * @param {Record<string, any>} patch - Keys to merge into the file.
     * @returns {Record<string, any>} The merged object written to disk.
     */
    persistJsonConfig(patch: Record<string, any>): Record<string, any>;
    /**
     * Persist the active provider selection to `.ai-changelog.json` and apply it
     * to the live runtime config. Consumed by the providers switch flow.
     * @param {string} name - Provider identifier (e.g. "openai", "azure").
     * @returns {void}
     */
    setActiveProvider(name: string): void;
    /**
     * Write a sample `.ai-changelog.json` to the current working directory so
     * users have a documented starting point. Never overwrites an existing file.
     * @returns {void}
     */
    createSampleConfig(): void;
}