/**
 * Lazily load spdx-correct. It's an optional peer dependency.
 *
 * @returns The corrected identifier, `null` if unrecognized, or `undefined` if
 * spdx-correct is not installed.
 *
 * @internal
 */
export declare function tryCorrectLicence(licence: string): Promise<string | null | undefined>;
/**
 * Result of validating licence identifiers with spdx-correct.
 *
 * @internal
 */
export interface LicenceValidationResult {
    /** Human-readable error messages. */
    errors: string[];
    /** Map from original identifier to its corrected form. */
    corrections: Map<string, string>;
}
/**
 * Validate an array of licence identifiers using spdx-correct.
 *
 * @internal
 */
export declare function validateWithSpdxCorrect(licences: string[]): Promise<LicenceValidationResult>;
/**
 * Check that all licence identifiers are in the allowed list.
 *
 * @internal
 */
export declare function validateAllowlist(licences: string[], allowedLicences: string[]): string[];
/**
 * Replace quoted licence strings in TOML/text content with their corrected forms.
 *
 * @internal
 */
export declare function applyCorrections(content: string, corrections: Map<string, string>): string;
/**
 * Read a file, apply licence corrections, and write it back.
 *
 * @internal
 */
export declare function tryAutoFix(filePath: string, corrections: Map<string, string>, errors: string[]): Promise<{
    error: string;
    fixable: boolean;
    fixed: boolean;
}>;
/**
 * Validate licence identifiers and optionally auto-fix them.
 *
 * Combines spdx-correct validation with allowlist checking and auto-fix
 * into a single helper used by both Cargo and Gleam licence policies.
 *
 * @returns `true` if valid, or a PolicyError-compatible object on failure.
 * Returns `undefined` if no validation was requested (both allowlist and
 * validateSpdx are empty/false).
 *
 * @internal
 */
export declare function validateLicenceField(options: {
    licences: string[];
    allowedLicences?: string[];
    validateSpdx: boolean;
    shouldResolve: boolean;
    filePath: string;
    manualFixMessage: string;
}): Promise<true | {
    error: string;
    fixable?: boolean;
    fixed?: boolean;
    manualFix?: string;
} | undefined>;
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