export interface ProjectBinding {
    version: 1;
    project_id: string;
    kind: string;
    base_url: string;
}
export interface LocatedBinding {
    root: string;
    binding: ProjectBinding;
}
/** Canonicalize a server address without allowing embedded credentials. */
export declare function bindingBaseUrl(value: string): string;
/** Validate persisted data strictly; a binding never contains credentials. */
export declare function parseBinding(value: unknown): ProjectBinding;
/** Find the nearest binding, rejecting malformed or symlinked local state. */
export declare function findProjectBinding(cwd?: string): LocatedBinding | undefined;
/** Resolve project selection and reject a checkout bound to another server. */
export declare function resolveProjectSelection(options: {
    baseUrl: string;
    explicit?: string;
    environment?: string;
    legacy?: string;
    cwd?: string;
}): string | undefined;
/** Create private local state without following a .gsk symlink. */
export declare function projectStateDirectory(root: string): string;
/** Atomically publish a new JSON file, never overwriting a concurrent writer. */
export declare function writeNewProjectState(root: string, name: string, value: unknown): string;
/** Bind the checkout once; a different existing or inherited binding needs manual resolution. */
export declare function writeProjectBinding(value: ProjectBinding, cwd?: string): string;
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