export type ProviderAuthType = "api-key" | "oauth";
export type ProviderCategory = "model" | "voice";
export type ProviderName = "anthropic" | "openai" | "codex" | "openrouter" | "copilot" | "xai" | "lmstudio" | "ollama" | "elevenlabs";
export interface ProviderOAuthConfig {
    authorizationUrl: string;
    tokenUrl: string;
    scopes?: string[];
    clientIdEnv: string[];
    clientSecretEnv?: string[];
    defaultClientId?: string;
    defaultClientSecret?: string;
    scopeSeparator?: string;
    redirectPath?: string;
    tokenResponseType?: "json" | "form";
    usePkce?: boolean;
    authorizationParams?: Record<string, string>;
    tokenParams?: Record<string, string>;
    tokenHeaders?: Record<string, string>;
}
export interface ProviderSpec {
    name: ProviderName;
    label: string;
    type: ProviderAuthType;
    envVars: string[];
    category: ProviderCategory;
    baseURL?: string;
    oauth?: ProviderOAuthConfig;
    requiresAuth?: boolean;
}
export declare function normalizeProviderName(provider: string): ProviderName | undefined;
export declare function getProviderSpec(provider: string): ProviderSpec | undefined;
export declare function listProviderSpecs(category?: ProviderCategory): ProviderSpec[];