import type { ToolResult, Usage } from "@velum-labs/routekit-contracts/protocol-ir";
import type { OpenAiChoice } from "../adapters/openai-chat-wire.js";
export declare class ProviderProtocolError extends Error {
    readonly provider: string;
    readonly operation: string;
    readonly payloadSnippet?: string;
    constructor(provider: string, operation: string, message: string, payload?: unknown, options?: ErrorOptions);
}
export type ProviderRecord = Readonly<Record<string, unknown>>;
export type OpenAiChatResponse = ProviderRecord & {
    readonly id?: string;
    readonly choices: OpenAiChoice[];
    readonly usage?: Usage;
    readonly provider_cost?: unknown;
};
export type OpenAiChatSseEvent = ProviderRecord & {
    readonly choices: OpenAiChoice[];
    readonly usage?: Usage | null;
    readonly provider_cost?: unknown;
    readonly error?: Readonly<{
        message?: string;
        type?: string;
        code?: string;
    }>;
};
export type OpenAiResponsesEvent = ProviderRecord & {
    readonly type: string;
};
export type AnthropicSseEvent = ProviderRecord & {
    readonly type: string;
};
export type GoogleGenerateContent = ProviderRecord & {
    readonly candidates: readonly ProviderRecord[];
    readonly usageMetadata?: ProviderRecord;
};
export type ModelCatalogEntry = ProviderRecord & {
    readonly id: string;
};
export type ModelCatalogPayload = ProviderRecord & {
    readonly data: ModelCatalogEntry[];
};
export declare function isProviderRecord(value: unknown): value is ProviderRecord;
export declare function decodeProviderJson(provider: string, operation: string, value: unknown): ProviderRecord;
export declare function decodeModelCatalogPayload(value: unknown, provider?: string): ModelCatalogPayload;
export declare function decodeOpenAiChatResponse(value: unknown): OpenAiChatResponse;
export declare function decodeOpenAiChatSseEvent(value: unknown): OpenAiChatSseEvent;
export declare function decodeOpenAiResponsesEvent(value: unknown, eventType?: string): OpenAiResponsesEvent;
export declare function decodeAnthropicSseEvent(value: unknown, eventType?: string): AnthropicSseEvent;
export declare function decodeGoogleGenerateContent(value: unknown): GoogleGenerateContent;
export declare function decodeOpenAiToolCalls(value: unknown): readonly ProviderRecord[];
export declare function decodeToolResult(provider: string, value: unknown, options?: {
    toolCallId?: string;
    isError?: boolean;
}): ToolResult;
export declare function decodeOpenAiWebSearchResult(value: unknown): ToolResult;
export declare function decodeAnthropicWebSearchResult(value: unknown): ToolResult;