import type { CodecCapabilities, TransportCodec } from '../codec.js';
import type { CompletionUsage } from '../types.js';
import type { TransportId } from '../types.js';
type ToolSchemaFormat = CodecCapabilities['toolSchemaFormat'];
export interface RegisterCodecOptions {
    aliases?: TransportId[];
    override?: boolean;
}
export interface TransportDescriptorLike {
    transportId?: string;
    runtimeId?: string;
    runtimeKind?: string;
    id?: string;
    codecCapabilities?: Partial<CodecCapabilities>;
}
export declare function registerCodec(codec: TransportCodec, options?: RegisterCodecOptions): readonly TransportId[];
export declare function listRegisteredCodecs(): readonly TransportCodec[];
/**
 * Look up a TransportCodec by transport identifier.
 * Returns `undefined` when no codec has been registered for the given id.
 */
export declare function getCodec(transportId: TransportId): TransportCodec | undefined;
export declare function getCodecForDescriptor(descriptor: TransportDescriptorLike): TransportCodec | undefined;
export declare function convertTools(tools: unknown[], from: ToolSchemaFormat, to: ToolSchemaFormat): unknown[];
export declare function normalizeUsage(raw: unknown): CompletionUsage;
export { AnthropicCodec } from './anthropic.js';
export { BedrockConverseCodec } from './bedrock.js';
export { GoogleCodec } from './google.js';
export { OpenAiChatCodec } from './openai-chat.js';
export { OpenAiResponsesCodec } from './openai-responses.js';