import type { ProjectState } from '../state/schema.js';
/** Resolves an existing project by name or picker; never creates one. */
export declare function pickExistingProject(name?: string): Promise<ProjectState>;
export declare function runTopLevel(fn: () => Promise<void>): Promise<void>;
/** Formats every command failure without exposing raw upstream bodies, stack traces, or secrets. */
export declare function formatCommandError(err: unknown): string;
/** Safe suffix for warnings that already provide operation-specific recovery guidance. */
export declare function supportReference(err: unknown): string | undefined;
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