export type BasicType = 'string' | 'number' | 'boolean' | 'integer';
export type ComplexType = 'object' | 'array';
export type SchemaType = BasicType | ComplexType;
export interface ExpressSchema {
    type: SchemaType;
    properties?: Record<string, unknown> | [string, object];
    resolve?: (value: unknown, root: unknown) => unknown;
}
interface ValidationResult {
    valid: boolean;
    errors: string[];
}
export declare function validateExpressSchema(schema: unknown): asserts schema is ExpressSchema;
export declare function tryValidateExpressSchema(schema: unknown): ValidationResult;
export {};
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