/**
 * Config Loader
 *
 * Loads and merges configuration from multiple sources with the following priority:
 * 1. Environment variables (highest)
 * 2. Project config (.specforge.json)
 * 3. Global config (~/.specforge/config.json)
 * 4. Default values (lowest)
 */
import { GlobalConfig, ResolvedConfig } from './types.js';
import type { SpecforgeJsonConfig, ActiveSpecification, MonorepoConfig, AgentTeamsConfig } from './agent-teams.types.js';
/**
 * AgentTeamsConfig with all defaults applied (all fields required).
 */
export type ResolvedAgentTeamsConfig = Required<Omit<AgentTeamsConfig, 'validationCommands'>> & {
    validationCommands?: AgentTeamsConfig['validationCommands'];
};
/**
 * Load global configuration from ~/.specforge/config.json
 *
 * @returns GlobalConfig object (empty object if file doesn't exist or is invalid)
 *
 * @example
 * ```typescript
 * const globalConfig = loadGlobalConfig();
 * if (globalConfig.apiKey) {
 *   console.log('API key found in global config');
 * }
 * ```
 */
export declare function loadGlobalConfig(): GlobalConfig;
/**
 * Load project configuration from .specforge.json
 *
 * Searches current directory and parent directories for .specforge.json.
 *
 * @returns ProjectConfig object if found, null otherwise
 *
 * @example
 * ```typescript
 * const projectConfig = loadProjectConfig();
 * if (projectConfig?.projectId) {
 *   console.log('Project ID:', projectConfig.projectId);
 * }
 * ```
 */
export declare function loadProjectConfig(): SpecforgeJsonConfig | null;
/**
 * Resolve final configuration from all sources
 *
 * Merges configuration with the following priority (highest to lowest):
 * 1. Environment variables
 * 2. Project config (.specforge.json)
 * 3. Global config (~/.specforge/config.json)
 * 4. Default values
 *
 * @returns ResolvedConfig with all values and source tracking
 *
 * @example
 * ```typescript
 * const config = resolveConfig();
 * console.log('API Key from:', config.sources.apiKey); // 'env' | 'global' | null
 * console.log('Format:', config.format); // 'json' | 'toon'
 * ```
 */
export declare function resolveConfig(): ResolvedConfig;
/**
 * Check if user is authenticated (has API key configured)
 *
 * @returns true if API key is available from any source
 *
 * @example
 * ```typescript
 * if (!isAuthenticated()) {
 *   console.error('Please run: specforge login');
 *   process.exit(1);
 * }
 * ```
 */
export declare function isAuthenticated(): boolean;
/**
 * Get API key if available
 *
 * @returns API key string or null if not configured
 */
export declare function getApiKey(): string | null;
/**
 * Check if running in a project context
 *
 * @returns true if a .specforge.json was found
 */
export declare function hasProjectContext(): boolean;
/**
 * Get current project ID if available
 *
 * @returns Project ID or null
 */
export declare function getProjectId(): string | null;
/**
 * Get current specification ID if available
 *
 * @returns Specification ID or null
 */
export declare function getSpecificationId(): string | null;
/**
 * Get Agent Teams config with defaults merged.
 *
 * Always returns a fully-resolved config object — never null.
 * Partial configs are merged with defaults via spread operator.
 *
 * @param config - Parsed project config (or null for all defaults)
 * @returns Resolved Agent Teams config with all defaults applied
 */
export declare function getAgentTeamsConfig(config: SpecforgeJsonConfig | null): ResolvedAgentTeamsConfig;
/**
 * Get the active specification from config.
 *
 * @param config - Parsed project config
 * @returns ActiveSpecification if set, null otherwise
 */
export declare function getActiveSpecification(config: SpecforgeJsonConfig | null): ActiveSpecification | null;
/**
 * Get monorepo config with defaults merged.
 *
 * Returns null if the monorepo section is not present at all.
 * If present (even partially), merges with defaults.
 *
 * @param config - Parsed project config
 * @returns MonorepoConfig with defaults applied, or null if section absent
 */
export declare function getMonorepoConfig(config: SpecforgeJsonConfig | null): MonorepoConfig | null;
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