/// <reference types="node" />
import { TSchema, Static } from '@sinclair/typebox';
import { FastifyRequest } from 'fastify';
import { TileJSON } from './tilejson';
export declare function hash(data: string | Buffer): Buffer;
/**
 * Generate a random ID
 */
export declare function generateId(): string;
/**
 * Encode a buffer to base32
 */
export declare function encodeBase32(buf: Buffer): string;
/**
 * Generate an idempotent unique id for a given tilejson. Not all tilejson has
 * an id field, so we use the tile URL as an identifier (assumes two tilejsons
 * refering to the same tile URL are the same)
 */
export declare function getTilesetId(tilejson: TileJSON): string;
export declare function isFulfilledPromiseResult<T>(result: PromiseSettledResult<T>): result is PromiseFulfilledResult<T>;
export declare function isRejectedPromiseResult(result: PromiseSettledResult<unknown>): result is PromiseRejectedResult;
export declare function getBaseApiUrl(request: FastifyRequest): string;
export declare const NullableSchema: <S extends TSchema>(schema: S) => import("@sinclair/typebox").TUnsafe<Static<S, []> | null>;
export declare function removeSearchParams(url: string, paramsToRemove: string[]): string;
export declare function noop(): void;