import type { JsonSchema } from "../tool.js";
import type { Document, InputField, OperationInput, Parsed, SecurityRequirement, SecurityScheme } from "./types.js";
export declare const methods: Set<string>;
export declare const isRecord: (value: unknown) => value is Record<string, unknown>;
export declare const nonEmptyString: (value: unknown) => string | undefined;
export declare const own: <T>(record: Readonly<Record<string, T>>, key: string) => T | undefined;
export declare const resolve: (document: Document, value: unknown) => unknown;
type SchemaDirection = "request" | "response";
export declare const hasDirectionalSchemas: (document: Document) => boolean;
export declare const componentDefinitions: (document: Document, direction: SchemaDirection) => Readonly<Record<string, JsonSchema>>;
export declare const operationInput: (document: Document, pathItem: Record<string, unknown>, operation: Record<string, unknown>) => Parsed<OperationInput>;
export declare const inputSchema: (fields: ReadonlyArray<InputField>, definitions: Readonly<Record<string, JsonSchema>>) => JsonSchema;
export declare const operationOutput: (document: Document, operation: Record<string, unknown>, definitions: Readonly<Record<string, JsonSchema>>) => Parsed<JsonSchema | undefined>;
export declare const operationPath: (method: string, path: string, operation: Record<string, unknown>, used: ReadonlySet<string>, namespaces: ReadonlySet<string>) => ReadonlyArray<string>;
export declare const specServerUrl: (source: Record<string, unknown>) => Parsed<string>;
export declare const validateBaseUrl: (value: string) => Parsed<string>;
export declare const securityRequirements: (value: unknown) => Parsed<ReadonlyArray<SecurityRequirement>>;
export declare const operationSecurityRequirements: (value: unknown, defaults: Parsed<ReadonlyArray<SecurityRequirement>>, schemes: Readonly<Record<string, SecurityScheme>>) => Parsed<ReadonlyArray<SecurityRequirement>>;
export declare const securitySchemes: (document: Document) => Readonly<Record<string, SecurityScheme>>;
export {};