import type { McpServerConfig } from './mcp-client';
import type { ToolConfig } from './tool-provider-factory';
export declare const MCP_OAUTH_TOKENS_HEADER = "x-mcp-oauth-tokens";
/**
 * Extracts and parses OAuth tokens from request headers.
 * Returns undefined if the header is not present.
 * Throws AIBadRequestError if the header contains invalid JSON.
 */
export declare function extractMcpOauthTokensFromHeaders(headers: Record<string, string | string[] | undefined>): Record<string, string> | undefined;
/**
 * Injects the OAuth token as Authorization header into HTTP-based transport configurations.
 * For stdio transports, returns the config unchanged.
 */
export declare function injectOauthToken({ serverConfig, token, }: {
    serverConfig: McpServerConfig;
    token?: string;
}): McpServerConfig;
/**
 * Injects OAuth tokens into tool source configurations.
 * Only MCP server configs receive token injection; Forest integration configs are passed through.
 */
export declare function injectOauthTokens({ configs, tokensByMcpServerName, }: {
    configs: Record<string, ToolConfig> | undefined;
    tokensByMcpServerName: Record<string, string> | undefined;
}): Record<string, ToolConfig> | undefined;
//# sourceMappingURL=oauth-token-injector.d.ts.map