import { Effect } from "effect";
import type { ModulePathValidationResult } from "../../core/index.js";
import type { FilesystemError } from "../effects/errors.js";
import { FilesystemServiceTag } from "../services/filesystem-effect.js";
export declare const validateModulePathEffect: (node: object, // ESLint ImportDeclaration | CallExpression
requestedPath: string, containingFile: string) => Effect.Effect<ModulePathValidationResult, FilesystemError, FilesystemServiceTag>;
/**
 * Checks if module path exists
 *
 * @param modulePath - Module path to check
 * @param containingFile - File containing the import
 * @returns Effect with boolean result
 *
 * @purity SHELL
 * @effect Effect<boolean, FilesystemError, FilesystemServiceTag>
 * @complexity O(1)
 * @throws Never
 */
export declare const modulePathExistsEffect: (modulePath: string, containingFile: string) => Effect.Effect<boolean, never, FilesystemServiceTag>;
/**
 * Validates if candidate is suitable for module path suggestions
 *
 * @param candidate - Module candidate
 * @param userInput - User's input
 * @returns true if candidate is valid
 *
 * @pure true
 * @purity CORE
 * @effect None
 * @complexity O(1)
 * @throws Never
 */
export declare const isValidModuleCandidate: (candidate: string, userInput: string) => boolean;
/**
 * Formats module path validation result into user message
 *
 * @param result - Validation result
 * @returns Formatted message
 *
 * @pure true
 * @purity CORE
 * @effect None
 * @complexity O(n) where n = |suggestions|
 * @throws Never
 */
export declare const formatModulePathValidationMessage: (result: ModulePathValidationResult) => string;
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