import { MaybeOptionalModelProp, OnlyPrimitives, OptionalModelProp } from "../modelShared/prop";
import type { AnyType, TypeToData } from "./schemas";
/**
 * Defines a string model property with a default value.
 * Equivalent to `tProp(types.string, defaultValue)`.
 *
 * Example:
 * ```ts
 * x: tProp("foo") // an optional string that will take the value `"foo"` when undefined.
 * ```
 *
 * @param defaultValue Default value.
 * @returns
 */
export declare function tProp(defaultValue: string): OptionalModelProp<string>;
/**
 * Defines a number model property with a default value.
 * Equivalent to `tProp(types.number, defaultValue)`.
 *
 * Example:
 * ```ts
 * x: tProp(42) // an optional number that will take the value `42` when undefined.
 * ```
 *
 * @param defaultValue Default value.
 * @returns
 */
export declare function tProp(defaultValue: number): OptionalModelProp<number>;
/**
 * Defines a boolean model property with a default value.
 * Equivalent to `tProp(types.boolean, defaultValue)`.
 *
 * Example:
 * ```ts
 * x: tProp(true) // an optional boolean that will take the value `true` when undefined.
 * ```
 *
 * @param defaultValue Default value.
 * @param options Model property options.
 * @returns
 */
export declare function tProp(defaultValue: boolean): OptionalModelProp<boolean>;
/**
 * Defines a model property, with an optional function to generate a default value
 * if the input snapshot / model creation data is `null` or `undefined` and with an associated type checker.
 *
 * Example:
 * ```ts
 * x: tProp(types.number, () => 10) // an optional number, with a default value of 10
 * x: tProp(types.array(types.number), () => []) // an optional number array, with a default empty array
 * ```
 *
 * @typeparam TType Type checker type.
 *
 * @param type Type checker.
 * @param defaultFn Default value generator function.
 * @returns
 */
export declare function tProp<TType extends AnyType>(type: TType, defaultFn: () => TypeToData<TType>): OptionalModelProp<TypeToData<TType>>;
/**
 * Defines a model property, with an optional default value
 * if the input snapshot / model creation data is `null` or `undefined` and with an associated type checker.
 * You should only use this with primitive values and never with object values
 * (array, model, object, etc).
 *
 * Example:
 * ```ts
 * x: tProp(types.number, 10) // an optional number, with a default value of 10
 * ```
 *
 * @typeparam TType Type checker type.
 *
 * @param type Type checker.
 * @param defaultValue Default value generator function.
 * @returns
 */
export declare function tProp<TType extends AnyType>(type: TType, defaultValue: OnlyPrimitives<TypeToData<TType>>): OptionalModelProp<TypeToData<TType>>;
/**
 * Defines a model property with no default value and an associated type checker.
 *
 * Example:
 * ```ts
 * x: tProp(types.number) // a required number
 * x: tProp(types.maybe(types.number)) // an optional number, which defaults to undefined
 * ```
 *
 * @typeparam TType Type checker type.
 *
 * @param type Type checker.
 * @returns
 */
export declare function tProp<TType extends AnyType>(type: TType): MaybeOptionalModelProp<TypeToData<TType>>;