import { z } from 'zod';
import { RequestContext } from '../utils/index.js';
export declare const PerplexityChatCompletionRequestSchema: z.ZodObject<{
    model: z.ZodEnum<["sonar", "sonar-pro", "sonar-reasoning", "sonar-reasoning-pro", "sonar-deep-research"]>;
    messages: z.ZodArray<z.ZodObject<{
        role: z.ZodEnum<["system", "user", "assistant"]>;
        content: z.ZodString;
    }, "strip", z.ZodTypeAny, {
        role: "system" | "user" | "assistant";
        content: string;
    }, {
        role: "system" | "user" | "assistant";
        content: string;
    }>, "many">;
    max_tokens: z.ZodOptional<z.ZodNumber>;
    temperature: z.ZodOptional<z.ZodNumber>;
    top_p: z.ZodOptional<z.ZodNumber>;
    top_k: z.ZodOptional<z.ZodNumber>;
    stream: z.ZodDefault<z.ZodOptional<z.ZodBoolean>>;
    presence_penalty: z.ZodOptional<z.ZodNumber>;
    frequency_penalty: z.ZodOptional<z.ZodNumber>;
    return_images: z.ZodOptional<z.ZodBoolean>;
    return_related_questions: z.ZodOptional<z.ZodBoolean>;
    response_format: z.ZodOptional<z.ZodObject<{
        type: z.ZodEnum<["json_object"]>;
    }, "strip", z.ZodTypeAny, {
        type: "json_object";
    }, {
        type: "json_object";
    }>>;
    web_search_options: z.ZodOptional<z.ZodObject<{
        search_context_size: z.ZodOptional<z.ZodEnum<["low", "medium", "high"]>>;
        search_domain_filter: z.ZodOptional<z.ZodArray<z.ZodString, "many">>;
        search_recency_filter: z.ZodOptional<z.ZodEnum<["last_day", "last_week", "last_month", "last_year"]>>;
        search_after_date_filter: z.ZodOptional<z.ZodString>;
        search_before_date_filter: z.ZodOptional<z.ZodString>;
    }, "strip", z.ZodTypeAny, {
        search_context_size?: "low" | "medium" | "high" | undefined;
        search_domain_filter?: string[] | undefined;
        search_recency_filter?: "last_day" | "last_week" | "last_month" | "last_year" | undefined;
        search_after_date_filter?: string | undefined;
        search_before_date_filter?: string | undefined;
    }, {
        search_context_size?: "low" | "medium" | "high" | undefined;
        search_domain_filter?: string[] | undefined;
        search_recency_filter?: "last_day" | "last_week" | "last_month" | "last_year" | undefined;
        search_after_date_filter?: string | undefined;
        search_before_date_filter?: string | undefined;
    }>>;
    search_domain_filter: z.ZodOptional<z.ZodArray<z.ZodString, "many">>;
    search_recency_filter: z.ZodOptional<z.ZodString>;
    search_after_date_filter: z.ZodOptional<z.ZodString>;
    search_before_date_filter: z.ZodOptional<z.ZodString>;
    search_mode: z.ZodOptional<z.ZodEnum<["web", "academic"]>>;
    reasoning_effort: z.ZodOptional<z.ZodEnum<["low", "medium", "high"]>>;
}, "strip", z.ZodTypeAny, {
    model: "sonar-reasoning-pro" | "sonar" | "sonar-pro" | "sonar-reasoning" | "sonar-deep-research";
    messages: {
        role: "system" | "user" | "assistant";
        content: string;
    }[];
    stream: boolean;
    search_domain_filter?: string[] | undefined;
    search_recency_filter?: string | undefined;
    search_after_date_filter?: string | undefined;
    search_before_date_filter?: string | undefined;
    max_tokens?: number | undefined;
    temperature?: number | undefined;
    top_p?: number | undefined;
    top_k?: number | undefined;
    presence_penalty?: number | undefined;
    frequency_penalty?: number | undefined;
    return_images?: boolean | undefined;
    return_related_questions?: boolean | undefined;
    response_format?: {
        type: "json_object";
    } | undefined;
    web_search_options?: {
        search_context_size?: "low" | "medium" | "high" | undefined;
        search_domain_filter?: string[] | undefined;
        search_recency_filter?: "last_day" | "last_week" | "last_month" | "last_year" | undefined;
        search_after_date_filter?: string | undefined;
        search_before_date_filter?: string | undefined;
    } | undefined;
    search_mode?: "web" | "academic" | undefined;
    reasoning_effort?: "low" | "medium" | "high" | undefined;
}, {
    model: "sonar-reasoning-pro" | "sonar" | "sonar-pro" | "sonar-reasoning" | "sonar-deep-research";
    messages: {
        role: "system" | "user" | "assistant";
        content: string;
    }[];
    search_domain_filter?: string[] | undefined;
    search_recency_filter?: string | undefined;
    search_after_date_filter?: string | undefined;
    search_before_date_filter?: string | undefined;
    max_tokens?: number | undefined;
    temperature?: number | undefined;
    top_p?: number | undefined;
    top_k?: number | undefined;
    stream?: boolean | undefined;
    presence_penalty?: number | undefined;
    frequency_penalty?: number | undefined;
    return_images?: boolean | undefined;
    return_related_questions?: boolean | undefined;
    response_format?: {
        type: "json_object";
    } | undefined;
    web_search_options?: {
        search_context_size?: "low" | "medium" | "high" | undefined;
        search_domain_filter?: string[] | undefined;
        search_recency_filter?: "last_day" | "last_week" | "last_month" | "last_year" | undefined;
        search_after_date_filter?: string | undefined;
        search_before_date_filter?: string | undefined;
    } | undefined;
    search_mode?: "web" | "academic" | undefined;
    reasoning_effort?: "low" | "medium" | "high" | undefined;
}>;
export type PerplexityChatCompletionRequest = z.infer<typeof PerplexityChatCompletionRequestSchema>;
declare const FinalResponsePayloadSchema: z.ZodObject<{
    id: z.ZodString;
    model: z.ZodString;
    created: z.ZodNumber;
    usage: z.ZodObject<{
        prompt_tokens: z.ZodNumber;
        completion_tokens: z.ZodNumber;
        total_tokens: z.ZodNumber;
        search_context_size: z.ZodOptional<z.ZodString>;
        citation_tokens: z.ZodOptional<z.ZodNumber>;
        num_search_queries: z.ZodOptional<z.ZodNumber>;
        reasoning_tokens: z.ZodOptional<z.ZodNumber>;
    }, "strip", z.ZodTypeAny, {
        prompt_tokens: number;
        completion_tokens: number;
        total_tokens: number;
        search_context_size?: string | undefined;
        citation_tokens?: number | undefined;
        num_search_queries?: number | undefined;
        reasoning_tokens?: number | undefined;
    }, {
        prompt_tokens: number;
        completion_tokens: number;
        total_tokens: number;
        search_context_size?: string | undefined;
        citation_tokens?: number | undefined;
        num_search_queries?: number | undefined;
        reasoning_tokens?: number | undefined;
    }>;
    object: z.ZodLiteral<"chat.completion">;
    choices: z.ZodArray<z.ZodObject<{
        index: z.ZodNumber;
        finish_reason: z.ZodString;
        message: z.ZodObject<{
            role: z.ZodEnum<["system", "user", "assistant"]>;
            content: z.ZodString;
        }, "strip", z.ZodTypeAny, {
            role: "system" | "user" | "assistant";
            content: string;
        }, {
            role: "system" | "user" | "assistant";
            content: string;
        }>;
        delta: z.ZodOptional<z.ZodObject<{
            role: z.ZodOptional<z.ZodString>;
            content: z.ZodOptional<z.ZodString>;
        }, "strip", z.ZodTypeAny, {
            role?: string | undefined;
            content?: string | undefined;
        }, {
            role?: string | undefined;
            content?: string | undefined;
        }>>;
    }, "strip", z.ZodTypeAny, {
        message: {
            role: "system" | "user" | "assistant";
            content: string;
        };
        index: number;
        finish_reason: string;
        delta?: {
            role?: string | undefined;
            content?: string | undefined;
        } | undefined;
    }, {
        message: {
            role: "system" | "user" | "assistant";
            content: string;
        };
        index: number;
        finish_reason: string;
        delta?: {
            role?: string | undefined;
            content?: string | undefined;
        } | undefined;
    }>, "many">;
    citations: z.ZodOptional<z.ZodArray<z.ZodString, "many">>;
    search_results: z.ZodOptional<z.ZodArray<z.ZodObject<{
        title: z.ZodString;
        url: z.ZodString;
        date: z.ZodOptional<z.ZodString>;
    }, "strip", z.ZodTypeAny, {
        url: string;
        title: string;
        date?: string | undefined;
    }, {
        url: string;
        title: string;
        date?: string | undefined;
    }>, "many">>;
}, "strip", z.ZodTypeAny, {
    object: "chat.completion";
    model: string;
    usage: {
        prompt_tokens: number;
        completion_tokens: number;
        total_tokens: number;
        search_context_size?: string | undefined;
        citation_tokens?: number | undefined;
        num_search_queries?: number | undefined;
        reasoning_tokens?: number | undefined;
    };
    id: string;
    created: number;
    choices: {
        message: {
            role: "system" | "user" | "assistant";
            content: string;
        };
        index: number;
        finish_reason: string;
        delta?: {
            role?: string | undefined;
            content?: string | undefined;
        } | undefined;
    }[];
    citations?: string[] | undefined;
    search_results?: {
        url: string;
        title: string;
        date?: string | undefined;
    }[] | undefined;
}, {
    object: "chat.completion";
    model: string;
    usage: {
        prompt_tokens: number;
        completion_tokens: number;
        total_tokens: number;
        search_context_size?: string | undefined;
        citation_tokens?: number | undefined;
        num_search_queries?: number | undefined;
        reasoning_tokens?: number | undefined;
    };
    id: string;
    created: number;
    choices: {
        message: {
            role: "system" | "user" | "assistant";
            content: string;
        };
        index: number;
        finish_reason: string;
        delta?: {
            role?: string | undefined;
            content?: string | undefined;
        } | undefined;
    }[];
    citations?: string[] | undefined;
    search_results?: {
        url: string;
        title: string;
        date?: string | undefined;
    }[] | undefined;
}>;
export type PerplexityChatCompletionResponse = z.infer<typeof FinalResponsePayloadSchema>;
declare class PerplexityApiService {
    private axiosInstance;
    private apiKey;
    constructor();
    chatCompletion(requestData: PerplexityChatCompletionRequest, context: RequestContext): Promise<PerplexityChatCompletionResponse>;
}
export declare const perplexityApiService: PerplexityApiService;
export {};