/**
 * Projection schema.
 */
export type ProjectionSchema = {
  [property: string]: boolean | ProjectionSchemaPropertyOptions | undefined;
}

/** 
 * Projection schema factory.
 */
export type ProjectionSchemaFactory = () => ProjectionSchema;

/**
 * Projection schema source.
 */
export type ProjectionSchemaSource = string | ProjectionSchemaFactory;

/**
 * Projection schema property options.
 */
export type ProjectionSchemaPropertyOptions = {
  select?: boolean;
  scopes?: ProjectionSchemaScopes;
  schema?: ProjectionSchema | ProjectionSchemaSource;
}

/**
 * Projection schema scopes.
 */
export type ProjectionSchemaScopes = {
  [scope: string]: boolean | ProjectionSchemaScopeOptions | undefined;
}

/**
 * Projection schema scope options.
 */
export type ProjectionSchemaScopeOptions = {
  select?: boolean;
}