Found the solution for it. Below is element tree structure for component interface
static ElemTreeData tree[] = {
{0, PRO_E_FEATURE_TREE, {(ProValueDataType)-1}},
{1, PRO_E_FEATURE_TYPE, {PRO_VALUE_TYPE_INT, {PRO_FEAT_COMP_INTERFACE}}},
{1, PRO_E_COMP_INTERFACE_NAME, {PRO_VALUE_TYPE_WSTRING}},
{1, PRO_E_COMPONENT_INTERFACE_SETS, {(ProValueDataType)-1}},
{1, PRO_E_COMP_INTERFACE_CONSTRAINTS, {(ProValueDataType)-1}},
{2, PRO_E_COMP_INTERFACE_CONSTRAINT, {(ProValueDataType)-1}},
{3, PRO_E_COMP_INTERFACE_CONSTR_TYPE, {PRO_VALUE_TYPE_INT, {4}}},
{3, PRO_E_COMP_INTERFACE_CONSTR_REF, {PRO_VALUE_TYPE_SELECTION}},
{3, PRO_E_COMP_INTERFACE_CONSTR_REF_OFFSET, {PRO_VALUE_TYPE_DOUBLE, {0.0}}},
{3, PRO_E_COMP_INTERFACE_CONSTR_RULE, {PRO_VALUE_TYPE_INT, {0}}},
{3, PRO_E_COMP_INTERFACE_CONSTR_SET_ID, {PRO_VALUE_TYPE_INT, {-1}}},
{3, PRO_E_COMP_INTERFACE_CONSTR_ATTR, {PRO_VALUE_TYPE_INT, {0}}},
{1, PRO_E_COMP_INTERFACE_RULE, {(ProValueDataType)-1}},
{1, PRO_E_COMP_INTERFACE_RECEIVE_TYPE, {PRO_VALUE_TYPE_INT, {0}}},
{1, PRO_E_COMP_INTERFACE_TYPE, {PRO_VALUE_TYPE_INT, {5200}}},
{1, PRO_E_COMP_INTERFACE_DEFAULT, {PRO_VALUE_TYPE_INT, {0}}},
{1, PRO_E_COMP_INTERFACE_DESCRIPTION, {PRO_VALUE_TYPE_WSTRING}}
};