/**
 * Type guard that narrows a `SchemaObject` to the variant whose `type` is
 * `'array'`.
 *
 * After narrowing, array-specific properties such as `items`, `prefixItems`,
 * `minItems`, `maxItems`, and `uniqueItems` become accessible without a
 * manual cast.
 *
 * Works with `SchemaObject` types from OpenAPI 2.0, 3.0, 3.1, and 3.2.
 */
export declare const isArraySchema: <T>(schema: T) => schema is [Extract<T, {
    type: "array";
}>] extends [never] ? T & {
    type: "array";
} : Extract<T, {
    type: "array";
}>;
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