import { type SecurityMetadataFieldDefinition } from "./metadata-definitions.js";
export type SecurityIdentifierAuthority = "canonical" | "non-skill";
interface CorruptedSecurityIdentifier {
    key: string;
    sanitizedKey: string;
    removedCodePoints: string[];
    definition: SecurityMetadataFieldDefinition;
    authority: SecurityIdentifierAuthority;
}
interface ReviewedDefaultIgnorableProjection {
    sanitized: string;
    removedCodePoints: string[];
}
/**
 * Detect only invisible corruption that becomes an exact registered security
 * identifier after reviewed code points are removed. Values never gain
 * authority through this comparison.
 */
export declare function corruptedSecurityIdentifier(key: string, authority: SecurityIdentifierAuthority): CorruptedSecurityIdentifier | undefined;
/**
 * Remove only the reviewed characters shared by bounded security-authority
 * integrity checks. Callers must still require an exact trusted identifier or
 * delimiter match before assigning security meaning to the projection.
 */
export declare function reviewedDefaultIgnorableProjection(value: string): ReviewedDefaultIgnorableProjection;
export {};