/**
 * Provider configuration for AgentLink.
 *
 * A "provider" defines how to launch an agent CLI subprocess.
 * Built-in providers ("claude", "brain") delegate to sdk.ts resolvers.
 * Custom providers specify command/args/env directly.
 */
import { type ResolvedCommand } from './sdk.js';
export interface ProviderConfig {
    id: string;
    name: string;
    preset: 'claude' | 'custom';
    command: string;
    args?: string[];
    cwd?: string;
    env?: Record<string, string>;
    shell?: boolean;
    /** When true, AgentLink appends --output-format stream-json, --permission-mode, --model etc. */
    appendFlags?: boolean;
    /** Internal: true for "claude" and "brain" builtins. Never persisted. */
    builtin?: boolean;
    /** Backend type this provider requires. Defaults to 'claude' if unset. */
    backendType?: 'claude' | 'copilot' | 'codex' | 'yeaft' | 'pi';
}
export declare function loadProviders(): ProviderConfig[];
export declare function getProvider(id: string): ProviderConfig;
export declare function getDefaultProviderId(): string;
export declare function setDefaultProviderId(id: string): void;
export declare function saveProvider(config: Omit<ProviderConfig, 'builtin'>): void;
export declare function deleteProvider(id: string): void;
export declare function listProviders(): ProviderConfig[];
/**
 * Get the backend type required by a provider.
 * Returns the backend required by the provider, defaulting to 'claude'.
 */
export declare function getBackendTypeForProvider(providerId: string): 'claude' | 'copilot' | 'codex' | 'yeaft' | 'pi';
/**
 * Resolve a provider config into a spawn-ready ResolvedCommand.
 * Builtins delegate to sdk.ts; custom providers build from config fields.
 */
export declare function resolveProviderCommand(provider: ProviderConfig): ResolvedCommand;