import type { IntrospectionInputValue, IntrospectionType, TypeRef } from "./introspection-types.js";
export type ValidationIssue = {
    path: string;
    message: string;
};
export declare function isArgRequired(typeRef: TypeRef): boolean;
export declare function typeRefToString(typeRef: TypeRef): string;
/** 校验 GraphQL variables 对象与顶层 field 的 args 是否匹配 */
export declare function validateFieldArguments(variables: Record<string, unknown>, args: IntrospectionInputValue[], typeMap: Map<string, IntrospectionType>): ValidationIssue[];
export declare function parseJsonSafe(raw: string): {
    ok: true;
    value: unknown;
} | {
    ok: false;
    message: string;
};
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