import { z } from "zod";
import { Agent, type AgentInvokeOptions, type AgentOptions, type Message } from "./agent.js";
export declare abstract class Model<I extends Message = any, O extends Message = any> extends Agent<I, O> {
    options?: (Omit<AgentOptions<I, O>, "model"> & {
        modelOptions?: Record<string, unknown>;
    }) | undefined;
    constructor(options?: (Omit<AgentOptions<I, O>, "model"> & {
        modelOptions?: Record<string, unknown>;
    }) | undefined);
    /**
     * Resolves model options by merging instance-level and input-level options,
     * and recursively resolving getter patterns
     *
     * @param input - The input message containing potential modelOptions
     * @param options - The agent invocation options containing context
     * @returns Resolved model options with all getters replaced by actual values
     */
    getModelOptions(input: Message, options: AgentInvokeOptions): Promise<Record<string, unknown>>;
    protected preprocess(input: I, options: AgentInvokeOptions): Promise<void>;
    transformFileType(fileType: "file", data: FileUnionContent): Promise<FileContent>;
    transformFileType(fileType: "local" | undefined, data: FileUnionContent): Promise<LocalContent>;
    transformFileType(fileType: FileType | undefined, data: FileUnionContent): Promise<FileUnionContent>;
    static getFileExtension(type: string): Promise<string | undefined>;
    static getMimeType(filename: string): Promise<string | undefined>;
    downloadFile(url: string): Promise<Response>;
}
export type FileType = "local" | "file" | "url";
export declare const fileTypeSchema: z.ZodEnum<["local", "file", "url"]>;
export interface FileContentBase {
    filename?: string;
    mimeType?: string;
}
export declare const fileContentBaseSchema: z.ZodObject<{
    filename: z.ZodType<string | undefined, z.ZodTypeDef, string | undefined>;
    mimeType: z.ZodType<string | undefined, z.ZodTypeDef, string | undefined>;
}, "strip", z.ZodTypeAny, {
    filename?: string | undefined;
    mimeType?: string | undefined;
}, {
    filename?: string | undefined;
    mimeType?: string | undefined;
}>;
export interface UrlContent extends FileContentBase {
    type: "url";
    url: string;
}
export declare const urlContentSchema: z.ZodObject<{
    filename: z.ZodType<string | undefined, z.ZodTypeDef, string | undefined>;
    mimeType: z.ZodType<string | undefined, z.ZodTypeDef, string | undefined>;
} & {
    type: z.ZodLiteral<"url">;
    url: z.ZodString;
}, "strip", z.ZodTypeAny, {
    type: "url";
    url: string;
    filename?: string | undefined;
    mimeType?: string | undefined;
}, {
    type: "url";
    url: string;
    filename?: string | undefined;
    mimeType?: string | undefined;
}>;
export interface FileContent extends FileContentBase {
    type: "file";
    data: string;
}
export declare const fileContentSchema: z.ZodObject<{
    filename: z.ZodType<string | undefined, z.ZodTypeDef, string | undefined>;
    mimeType: z.ZodType<string | undefined, z.ZodTypeDef, string | undefined>;
} & {
    type: z.ZodLiteral<"file">;
    data: z.ZodString;
}, "strip", z.ZodTypeAny, {
    type: "file";
    data: string;
    filename?: string | undefined;
    mimeType?: string | undefined;
}, {
    type: "file";
    data: string;
    filename?: string | undefined;
    mimeType?: string | undefined;
}>;
export interface LocalContent extends FileContentBase {
    type: "local";
    path: string;
}
export declare const localContentSchema: z.ZodObject<{
    filename: z.ZodType<string | undefined, z.ZodTypeDef, string | undefined>;
    mimeType: z.ZodType<string | undefined, z.ZodTypeDef, string | undefined>;
} & {
    type: z.ZodLiteral<"local">;
    path: z.ZodString;
}, "strip", z.ZodTypeAny, {
    path: string;
    type: "local";
    filename?: string | undefined;
    mimeType?: string | undefined;
}, {
    path: string;
    type: "local";
    filename?: string | undefined;
    mimeType?: string | undefined;
}>;
export type FileUnionContent = LocalContent | UrlContent | FileContent;
export declare const fileUnionContentSchema: z.ZodDiscriminatedUnion<"type", [z.ZodObject<{
    filename: z.ZodType<string | undefined, z.ZodTypeDef, string | undefined>;
    mimeType: z.ZodType<string | undefined, z.ZodTypeDef, string | undefined>;
} & {
    type: z.ZodLiteral<"local">;
    path: z.ZodString;
}, "strip", z.ZodTypeAny, {
    path: string;
    type: "local";
    filename?: string | undefined;
    mimeType?: string | undefined;
}, {
    path: string;
    type: "local";
    filename?: string | undefined;
    mimeType?: string | undefined;
}>, z.ZodObject<{
    filename: z.ZodType<string | undefined, z.ZodTypeDef, string | undefined>;
    mimeType: z.ZodType<string | undefined, z.ZodTypeDef, string | undefined>;
} & {
    type: z.ZodLiteral<"url">;
    url: z.ZodString;
}, "strip", z.ZodTypeAny, {
    type: "url";
    url: string;
    filename?: string | undefined;
    mimeType?: string | undefined;
}, {
    type: "url";
    url: string;
    filename?: string | undefined;
    mimeType?: string | undefined;
}>, z.ZodObject<{
    filename: z.ZodType<string | undefined, z.ZodTypeDef, string | undefined>;
    mimeType: z.ZodType<string | undefined, z.ZodTypeDef, string | undefined>;
} & {
    type: z.ZodLiteral<"file">;
    data: z.ZodString;
}, "strip", z.ZodTypeAny, {
    type: "file";
    data: string;
    filename?: string | undefined;
    mimeType?: string | undefined;
}, {
    type: "file";
    data: string;
    filename?: string | undefined;
    mimeType?: string | undefined;
}>]>;
export declare const fileUnionContentsSchema: z.ZodUnion<[z.ZodDiscriminatedUnion<"type", [z.ZodObject<{
    filename: z.ZodType<string | undefined, z.ZodTypeDef, string | undefined>;
    mimeType: z.ZodType<string | undefined, z.ZodTypeDef, string | undefined>;
} & {
    type: z.ZodLiteral<"local">;
    path: z.ZodString;
}, "strip", z.ZodTypeAny, {
    path: string;
    type: "local";
    filename?: string | undefined;
    mimeType?: string | undefined;
}, {
    path: string;
    type: "local";
    filename?: string | undefined;
    mimeType?: string | undefined;
}>, z.ZodObject<{
    filename: z.ZodType<string | undefined, z.ZodTypeDef, string | undefined>;
    mimeType: z.ZodType<string | undefined, z.ZodTypeDef, string | undefined>;
} & {
    type: z.ZodLiteral<"url">;
    url: z.ZodString;
}, "strip", z.ZodTypeAny, {
    type: "url";
    url: string;
    filename?: string | undefined;
    mimeType?: string | undefined;
}, {
    type: "url";
    url: string;
    filename?: string | undefined;
    mimeType?: string | undefined;
}>, z.ZodObject<{
    filename: z.ZodType<string | undefined, z.ZodTypeDef, string | undefined>;
    mimeType: z.ZodType<string | undefined, z.ZodTypeDef, string | undefined>;
} & {
    type: z.ZodLiteral<"file">;
    data: z.ZodString;
}, "strip", z.ZodTypeAny, {
    type: "file";
    data: string;
    filename?: string | undefined;
    mimeType?: string | undefined;
}, {
    type: "file";
    data: string;
    filename?: string | undefined;
    mimeType?: string | undefined;
}>]>, z.ZodArray<z.ZodDiscriminatedUnion<"type", [z.ZodObject<{
    filename: z.ZodType<string | undefined, z.ZodTypeDef, string | undefined>;
    mimeType: z.ZodType<string | undefined, z.ZodTypeDef, string | undefined>;
} & {
    type: z.ZodLiteral<"local">;
    path: z.ZodString;
}, "strip", z.ZodTypeAny, {
    path: string;
    type: "local";
    filename?: string | undefined;
    mimeType?: string | undefined;
}, {
    path: string;
    type: "local";
    filename?: string | undefined;
    mimeType?: string | undefined;
}>, z.ZodObject<{
    filename: z.ZodType<string | undefined, z.ZodTypeDef, string | undefined>;
    mimeType: z.ZodType<string | undefined, z.ZodTypeDef, string | undefined>;
} & {
    type: z.ZodLiteral<"url">;
    url: z.ZodString;
}, "strip", z.ZodTypeAny, {
    type: "url";
    url: string;
    filename?: string | undefined;
    mimeType?: string | undefined;
}, {
    type: "url";
    url: string;
    filename?: string | undefined;
    mimeType?: string | undefined;
}>, z.ZodObject<{
    filename: z.ZodType<string | undefined, z.ZodTypeDef, string | undefined>;
    mimeType: z.ZodType<string | undefined, z.ZodTypeDef, string | undefined>;
} & {
    type: z.ZodLiteral<"file">;
    data: z.ZodString;
}, "strip", z.ZodTypeAny, {
    type: "file";
    data: string;
    filename?: string | undefined;
    mimeType?: string | undefined;
}, {
    type: "file";
    data: string;
    filename?: string | undefined;
    mimeType?: string | undefined;
}>]>, "many">]>;