import { Schema } from "effect";
export type StandardSchema = {
    readonly "~standard": {
        readonly types?: {
            readonly input: unknown;
            readonly output: unknown;
        };
        readonly validate: (input: unknown) => unknown;
    };
};
export declare function is_standard_schema(value: unknown): value is StandardSchema;
export declare function is_effect_schema(value: unknown): value is Schema.Schema<unknown>;
export declare function normalize_validator(value: unknown): unknown;