in packages/sdk/src/error.ts [20:34]
get message(): string {
let message: string;
if (this.expected) {
message = `Expected ${this.expected}`;
if (this.actual) {
message += `, but found ${this.actual}`;
}
} else {
message = `Unexpected ${this.actual}`;
}
if (this.steps.length) {
message += `, at path '${this.path}'`;
}
return message;
}