/**
 * Builds a request path by combining a base path with an optional path prefix.
 * Ensures proper slash handling to avoid double slashes or missing slashes.
 *
 * @param path - The base path for the request
 * @param pathPrefix - Optional prefix to prepend to the path
 * @returns The combined path with proper slash formatting
 *
 * @example
 * ```typescript
 * buildRequestPath('/api/users') // '/api/users'
 * buildRequestPath('api/users') // '/api/users'
 * buildRequestPath('/api/users', 'v1') // '/v1/api/users'
 * buildRequestPath('/api/users', '/v1/') // '/v1/api/users'
 * buildRequestPath('api/users', 'v1') // '/v1/api/users'
 * ```
 */
export declare function buildRequestPath(path: string, pathPrefix?: string): string;