export declare const SUPPORTED_TRANSPORTS: readonly ["anthropic", "openai-chat", "openai-responses", "google", "bedrock-converse", "azure-foundry", "vertex-native", "passthrough"];
export type SupportedTransport = (typeof SUPPORTED_TRANSPORTS)[number];
export type TransportId = string;
export interface ProxyConfig {
    targetProvider: string;
    targetModel: string;
    exposedTransport: TransportId;
    authToken?: string;
    apiBase?: string;
    host: string;
    port: number;
    stream: boolean;
}
export interface CompletionRequestMessage {
    role: string;
    content: string;
    rawContent?: unknown;
}
export interface CompletionRequest {
    model: string;
    transport: TransportId;
    messages: CompletionRequestMessage[];
    tools?: unknown[];
    toolChoice?: unknown;
    stream: boolean;
    input?: string;
    raw: unknown;
    thoughtSignatureStore?: Map<string, string>;
}
export interface CompletionUsage {
    promptTokens: number;
    completionTokens: number;
    totalTokens: number;
}
export interface CompletionResult {
    id: string;
    model: string;
    role: string;
    text: string;
    finishReason: string;
    usage: CompletionUsage;
    toolCalls?: Array<{
        id: string;
        name: string;
        arguments: string;
        metadata?: Record<string, unknown>;
    }>;
    costRecord?: {
        inputTokens: number;
        outputTokens: number;
        cacheReadTokens?: number;
        cacheWriteTokens?: number;
    };
}
export interface CostFeedbackMetadata {
    runId?: string;
    sessionId?: string;
    effectId?: string;
    taskId?: string;
    taskKind?: string;
    source?: string;
    idempotencyKey?: string;
}
export interface CostFeedbackRecord extends CostFeedbackMetadata {
    provider: string;
    model: string;
    inputTokens: number;
    outputTokens: number;
    cacheReadTokens?: number;
    cacheCreationTokens?: number;
    durationMs?: number;
}
export type CostFeedbackSink = (record: CostFeedbackRecord) => void | Promise<void>;
export interface TokenCountResult {
    count: number;
}
export interface CompletionTextDeltaEvent {
    type: 'text-delta';
    text: string;
}
export interface CompletionDoneEvent {
    type: 'done';
    finishReason?: string;
    usage?: CompletionUsage;
}
export interface CompletionToolCallEvent {
    type: 'tool-call';
    id: string;
    name: string;
    arguments: string;
    metadata?: Record<string, unknown>;
}
export type CompletionStreamEvent = CompletionTextDeltaEvent | CompletionToolCallEvent | CompletionDoneEvent;
export interface CompletionEngine {
    complete(request: CompletionRequest): Promise<CompletionResult>;
    stream?(request: CompletionRequest): AsyncIterable<CompletionStreamEvent>;
    countTokens?(request: CompletionRequest): Promise<TokenCountResult>;
}
export interface CreateTransportMuxAppOptions {
    config: ProxyConfig;
    completionEngine?: CompletionEngine;
    costFeedbackSink?: CostFeedbackSink;
    costFeedbackMetadata?: CostFeedbackMetadata;
}
export interface RunningProxyServer {
    url: string;
    port: number;
    stop(): Promise<void>;
}