/**
 * Encodes an arbitrary UTF-8 semantic identity as a positive decimal integer.
 *
 * The leading decimal digit is a sentinel and each byte occupies three decimal
 * digits, so leading NUL bytes and the empty string remain distinct. This is an
 * injective encoding, not a hash.
 */
export declare function canonicalPublicNumericIdentity(identity: string): string;
/** Frames multiple semantic components without a delimiter ambiguity. */
export declare function canonicalPublicNumericIdentityParts(parts: readonly string[]): string;
/** PostgreSQL expression exactly equivalent to {@link canonicalPublicNumericIdentity}. */
export declare function compileCanonicalPublicNumericIdentitySql(text: string): string;
/** PostgreSQL framing equivalent to {@link canonicalPublicNumericIdentityParts}. */
export declare function compileCanonicalPublicNumericIdentityPartsSql(parts: readonly string[]): string;