/**
 * @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
 *
 *     https://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.
 */
/** This file contains interfaces that are usable in the types folder. */
/**
 * The list of OpenAPI data types
 * as defined by https://swagger.io/docs/specification/data-models/data-types/
 */
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"
}
/**
 * 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.
 */
export interface Schema {
    /**
     * Optional. The type of the property. {@link
     * SchemaType}.
     */
    type?: SchemaType;
    /** 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 Schema} */
    items?: Schema;
    /** Optional. The enum of the property. */
    enum?: string[];
    /** Optional. Map of {@link Schema}. */
    properties?: {
        [k: string]: Schema;
    };
    /** Optional. Array of required property. */
    required?: string[];
    /** Optional. The example of the property. */
    example?: unknown;
}