/**
 * Property analysis utilities
 *
 * This module analyzes interface declarations to produce a compact report of
 * properties that are noteworthy for payload schemas:
 * - optional ("?")
 * - can be null
 * - can be undefined (explicit TSUndefinedKeyword)
 * - reference other types (TSTypeReference) via their fully qualified names
 */
export interface PropertyReport {
    name: string;
    optional: boolean;
    containsNull: boolean;
    containsUndefinedKeyword: boolean;
    referencedTypes: string[];
}
export interface InterfaceReport {
    interfaceName: string;
    properties: PropertyReport[];
}
export declare const generateInterfacePropertyReport: (program: unknown) => InterfaceReport[];
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