import { Field } from '@mrleebo/prisma-ast';
/**
 * Adds a field to a model in your schema.prisma data model.
 *
 * @param source - schema.prisma source file contents
 * @param modelName - name of the model to add a field to
 * @param fieldProps - the field to add
 * @returns The modified schema.prisma source
 * @example Usage
 * ```
 *  addPrismaField(source, "Project", {
      type: "field",
      name: "name",
      fieldType: "String",
      optional: false,
      attributes: [{type: "attribute", kind: "field", name: "unique"}],
    })
 * ```
 */
export declare function addPrismaField(source: string, modelName: string, fieldProps: Field): Promise<string>;