import type { Platform } from 'foundry-design-protocol';
export declare function detectPlatform(root: string): Promise<Platform>;
export declare function hasProjectMarker(root: string): Promise<boolean>;
export declare function findProjectRoot(start: string): Promise<string | undefined>;
export declare function resolveProjectRoot(start: string, options?: {
    explicit?: boolean;
    allowUninitialized?: boolean;
    home?: string;
}): Promise<string>;
export declare function normalizeTargetUrl(value: string | undefined): string | undefined;
export declare function addSessionParams(targetUrl: string, sessionId: string, token: string, previewCapability?: string): string;
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