import { ChatMessage, FunctionCall, ProviderResponse } from '../../../types/chat';
import { GenericToolSchema, ParameterDefinition, StandardizedToolCall } from '../../../types/tool';
interface OpenRouterMessage {
    role: string;
    content: string;
    name?: string;
    tool_calls?: OpenRouterToolCall[];
}
interface OpenRouterToolCall {
    name: string;
    arguments?: Record<string, string>;
}
interface OpenRouterFunction {
    name: string;
    description: string;
    parameters: {
        type: string;
        properties: Record<string, ParameterDefinition>;
        required: string[];
    };
}
export declare function convertMessages(messages: ChatMessage[], model: string): OpenRouterMessage[];
export declare function convertFunctionCall(functionCall: FunctionCall): {
    name: string;
    arguments: string;
};
export declare function convertToolSchema(schema: GenericToolSchema): OpenRouterFunction;
export declare function convertParameters(params: Record<string, ParameterDefinition>): Record<string, ParameterDefinition>;
export declare function convertParameterDefinition(param: ParameterDefinition): ParameterDefinition;
export declare function convertToolCall(call: OpenRouterToolCall): StandardizedToolCall;
export declare function validateToolCall(toolCall: StandardizedToolCall): void;
export declare function convertToolCalls(toolCalls: OpenRouterToolCall[] | undefined): StandardizedToolCall[];
export declare function convertUsage(usage: {
    prompt_tokens?: number;
    completion_tokens?: number;
    total_tokens?: number;
} | undefined): ProviderResponse['usage'];
export {};