@Override
    public boolean equals(Object obj) {
        if (obj == this) {
            return true;
        }
        if (obj == null || obj.getClass() != this.getClass()) {
            return false;
        }
        RecordType that = (RecordType) obj;
        return Objects.equals(this.shape, that.shape);
    }
Gets the map of identifiers to their types.

@return the map of identifiers to their types.
smithy-rules-engine/src/main/java/software/amazon/smithy/rulesengine/language/evaluation/type/RecordType.java