/**
 * @license
 * Copyright 2024 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import { FunctionCallingMode } from "./enums";
/**
 * Defines a tool that model can call to access external knowledge.
 * @public
 */
export declare type Tool = FunctionDeclarationsTool;
/**
 * Structured representation of a function declaration as defined by the
 * [OpenAPI 3.0 specification](https://spec.openapis.org/oas/v3.0.3). Included
 * in this declaration are the function name and parameters. This
 * FunctionDeclaration is a representation of a block of code that can be used
 * as a Tool by the model and executed by the client.
 * @public
 */
export declare interface FunctionDeclaration {
    /**
     * The name of the function to call. Must start with a letter or an
     * underscore. Must be a-z, A-Z, 0-9, or contain underscores and dashes, with
     * a max length of 64.
     */
    name: string;
    /**
     * Optional. Description and purpose of the function. Model uses it to decide
     * how and whether to call the function.
     */
    description?: string;
    /**
     * Optional. Describes the parameters to this function in JSON Schema Object
     * format. Reflects the Open API 3.03 Parameter Object. string Key: the name
     * of the parameter. Parameter names are case sensitive. Schema Value: the
     * Schema defining the type used for the parameter. For function with no
     * parameters, this can be left unset.
     *
     * @example with 1 required and 1 optional parameter: type: OBJECT properties:
     * ```
     * param1:
     *
     *   type: STRING
     * param2:
     *
     *  type: INTEGER
     * required:
     *
     *   - param1
     * ```
     */
    parameters?: FunctionDeclarationSchema;
}
/**
 * A FunctionDeclarationsTool is a piece of code that enables the system to
 * interact with external systems to perform an action, or set of actions,
 * outside of knowledge and scope of the model.
 * @public
 */
export declare interface FunctionDeclarationsTool {
    /**
     * Optional. One or more function declarations
     * to be passed to the model along with the current user query. Model may
     * decide to call a subset of these functions by populating
     * [FunctionCall][content.part.functionCall] in the response. User should
     * provide a [FunctionResponse][content.part.functionResponse] for each
     * function call in the next turn. Based on the function responses, Model will
     * generate the final response back to the user. Maximum 64 function
     * declarations can be provided.
     */
    functionDeclarations?: FunctionDeclaration[];
}
/**
 * Contains the list of OpenAPI data types
 * as defined by https://swagger.io/docs/specification/data-models/data-types/
 * @public
 */
export declare enum FunctionDeclarationSchemaType {
    /** String type. */
    STRING = "STRING",
    /** Number type. */
    NUMBER = "NUMBER",
    /** Integer type. */
    INTEGER = "INTEGER",
    /** Boolean type. */
    BOOLEAN = "BOOLEAN",
    /** Array type. */
    ARRAY = "ARRAY",
    /** Object type. */
    OBJECT = "OBJECT"
}
/**
 * Schema is used to define the format of input/output data.
 * Represents a select subset of an OpenAPI 3.0 schema object.
 * More fields may be added in the future as needed.
 * @public
 */
export interface Schema {
    /**
     * Optional. The type of the property. {@link
     * FunctionDeclarationSchemaType}.
     */
    type?: FunctionDeclarationSchemaType;
    /** Optional. The format of the property. */
    format?: string;
    /** Optional. The description of the property. */
    description?: string;
    /** Optional. Whether the property is nullable. */
    nullable?: boolean;
    /** Optional. The items of the property. {@link FunctionDeclarationSchema} */
    items?: FunctionDeclarationSchema;
    /** Optional. The enum of the property. */
    enum?: string[];
    /** Optional. Map of {@link FunctionDeclarationSchema}. */
    properties?: {
        [k: string]: FunctionDeclarationSchema;
    };
    /** Optional. Array of required property. */
    required?: string[];
    /** Optional. The example of the property. */
    example?: unknown;
}
/**
 * Schema for parameters passed to {@link FunctionDeclaration.parameters}.
 * @public
 */
export interface FunctionDeclarationSchema {
    /** The type of the parameter. */
    type: FunctionDeclarationSchemaType;
    /** The format of the parameter. */
    properties: {
        [k: string]: FunctionDeclarationSchemaProperty;
    };
    /** Optional. Description of the parameter. */
    description?: string;
    /** Optional. Array of required parameters. */
    required?: string[];
}
/**
 * Schema for top-level function declaration
 * @public
 */
export interface FunctionDeclarationSchemaProperty extends Schema {
}
/**
 * Schema passed to `GenerationConfig.responseSchema`
 * @public
 */
export interface ResponseSchema extends Schema {
}
/**
 * Tool config. This config is shared for all tools provided in the request.
 * @public
 */
export interface ToolConfig {
    functionCallingConfig: FunctionCallingConfig;
}
/**
 * @public
 */
export interface FunctionCallingConfig {
    mode?: FunctionCallingMode;
    allowedFunctionNames?: string[];
}
