/**
 * @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.
 */
/**
 * Contains the list of OpenAPI data types
 * as defined by the
 * {@link https://swagger.io/docs/specification/data-models/data-types/ | OpenAPI specification}
 * @public
 */
export declare enum SchemaType {
    /** String type. */
    STRING = "string",
    /** Number type. */
    NUMBER = "number",
    /** Integer type. */
    INTEGER = "integer",
    /** Boolean type. */
    BOOLEAN = "boolean",
    /** Array type. */
    ARRAY = "array",
    /** Object type. */
    OBJECT = "object"
}
/**
 * Basic {@link Schema} properties shared across several Schema-related
 * types.
 * @public
 */
export interface SchemaShared<T> {
    /** Optional. The format of the property.
     * When using the Gemini Developer API ({@link GoogleAIBackend}), this must be either `'enum'` or
     * `'date-time'`, otherwise requests will fail.
     */
    format?: string;
    /** Optional. The description of the property. */
    description?: string;
    /**
     * The title of the property. This helps document the schema's purpose but does not typically
     * constrain the generated value. It can subtly guide the model by clarifying the intent of a
     * field.
     */
    title?: string;
    /** Optional. The items of the property. */
    items?: T;
    /** The minimum number of items (elements) in a schema of type {@link SchemaType.ARRAY}. */
    minItems?: number;
    /** The maximum number of items (elements) in a schema of type {@link SchemaType.ARRAY}. */
    maxItems?: number;
    /** Optional. Map of `Schema` objects. */
    properties?: {
        [k: string]: T;
    };
    /** A hint suggesting the order in which the keys should appear in the generated JSON string. */
    propertyOrdering?: string[];
    /** Optional. The enum of the property. */
    enum?: string[];
    /** Optional. The example of the property. */
    example?: unknown;
    /** Optional. Whether the property is nullable. */
    nullable?: boolean;
    /** The minimum value of a numeric type. */
    minimum?: number;
    /** The maximum value of a numeric type. */
    maximum?: number;
    [key: string]: unknown;
}
/**
 * Params passed to {@link Schema} static methods to create specific
 * {@link Schema} classes.
 * @public
 */
export interface SchemaParams extends SchemaShared<SchemaInterface> {
}
/**
 * Final format for {@link Schema} params passed to backend requests.
 * @public
 */
export interface SchemaRequest extends SchemaShared<SchemaRequest> {
    /**
     * The type of the property. {@link
     * SchemaType}.
     */
    type: SchemaType;
    /** Optional. Array of required property. */
    required?: string[];
}
/**
 * Interface for {@link Schema} class.
 * @public
 */
export interface SchemaInterface extends SchemaShared<SchemaInterface> {
    /**
     * The type of the property. {@link
     * SchemaType}.
     */
    type: SchemaType;
}
/**
 * Interface for {@link ObjectSchema} class.
 * @public
 */
export interface ObjectSchemaInterface extends SchemaInterface {
    type: SchemaType.OBJECT;
    optionalProperties?: string[];
}