import type { StandardSchemaV1 } from '@standard-schema/spec';
import type { ErrorBehavior } from '../types.js';
export interface ValidationLogger {
    error: (message: string) => void;
    warn: (message: string) => void;
}
export type RuntimeValidationResult = {
    success: true;
    value: unknown;
} | {
    success: false;
};
export declare function isPromiseLike<T>(value: T | Promise<T>): value is Promise<T>;
export declare function validateRuntimeConfig(config: unknown, schema: StandardSchemaV1, onError: ErrorBehavior, logger: ValidationLogger): RuntimeValidationResult | Promise<RuntimeValidationResult>;
export declare function isStandardSchema(schema: unknown): schema is StandardSchemaV1;